Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Francisco Bay Area, CA
Issued by NWS San Francisco Bay Area, CA
839
FNUS56 KMTR 212114
FWFMTR
Fire Weather Planning Forecast for the San Francisco Bay Area and
Central California Coast
National Weather Service San Francisco Bay Area
214 PM PDT Mon Sep 21 2026
.DISCUSSION...The marine layer is around 2,500 feet deep bringing
another cool, humid day to all but the highest terrain across the
Bay Area. By Tuesday a gradual pattern change will bring a warming
trend. Wednesday and Thursday will be the warmest days of the
week, with min RH in the 20-30% range away from the immediate
coast. Winds will be generally light to moderate during this
period, but may have an offshore component Wednesday night. A new
trough will bring cooler, more humid conditions with stronger
onshore winds Fri through Sun.
Note : All winds are 20-foot Winds Unless otherwise specified.
Thunderstorms imply strong, gusty and erratic winds.
$$
CAZ505-220915-
Coastal North Bay...Including Point Reyes National Seashore-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy fog after midnight.
* Min temperature.....49-54.
* 24 hr trend......Little change.
* Max humidity........100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....66-74.
* 24 hr trend......5 degrees warmer.
* Min humidity........75-85 percent.
* 24 hr trend......30 percent drier.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy. Patchy fog early in the
morning.
* Min temperature.....49-54.
* Max humidity........90-100 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....70-78.
* Min humidity........60-70 percent.
* 20-foot winds.......North winds up to 5 mph shifting to the west
5 to 10 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Northwest winds 5 to 15 mph. Lows in the 50s to
lower 60s.
.THURSDAY...Partly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s to lower 60s. Highs in the upper 60s to mid 70s.
.FRIDAY...Partly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s to lower 60s. Highs in the mid 60s to lower 70s.
.SATURDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in
the 40s to upper 50s. Highs in the 60s to lower 70s.
$$
CAZ503-220915-
Sonoma Coastal Range-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....49-54.
* 24 hr trend......Little change.
* Max humidity........80-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Ridges/upr slopes....Northwest winds up to 5 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....77-85.
* 24 hr trend......4 degrees warmer.
* Min humidity........45-55 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......
* Ridges/upr slopes....North winds up to 5 mph shifting to the west
5 to 10 mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....53-58.
* Max humidity........70-90 percent.
* 20-foot winds.......
* Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 20
mph in the evening.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....82-90.
* Min humidity........30-40 percent.
* 20-foot winds.......
* Ridges/upr slopes....North winds up to 5 mph shifting to the west
in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Northwest winds 5 to 15 mph. Lows in the 50s to
mid 60s.
.THURSDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in
the 50s to mid 60s. Highs in the 70s to upper 80s.
.FRIDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in the
50s to lower 60s. Highs in the 70s to lower 80s.
.SATURDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the upper 40s to mid 50s. Highs in the 70s.
$$
CAZ502-220915-
Marin Coastal Range-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy. Patchy fog after midnight.
* Min temperature.....49-54.
* 24 hr trend......Little change.
* Max humidity........90-100 percent except 70 percent above 2000
feet.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph
in the evening.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....73-78 except 66-71 above 2000 feet.
* 24 hr trend......9 degrees warmer.
* Min humidity........60-70 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph
in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
Patchy fog after midnight.
* Min temperature.....48-53.
* Max humidity........90-100 percent except 60-70 percent above
2000 feet.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph
in the evening.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog early in the
morning.
* Max temperature.....83-90 except 78-83 above 2000 feet.
* Min humidity........40-50 percent except 30-40 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...Upvalley 3 to 7 mph becoming west up to 5
mph in the afternoon.
* Ridges/upr slopes....Northeast winds up to 5 mph shifting to the
west 5 to 10 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. West winds 5 to 15 mph. Lows in
the 50s to mid 60s.
.THURSDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the mid 70s to lower 80s.
.FRIDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the 70s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the
50s. Highs in the upper 60s to mid 70s.
$$
CAZ506-220915-
North Bay Interior Valleys-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy. Patchy fog in the evening.
Areas of fog after midnight.
* Min temperature.....48-53.
* 24 hr trend......Little change.
* Max humidity........100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny. Areas of fog in the morning.
* Max temperature.....77-85.
* 24 hr trend......Little change.
* Min humidity........50-60 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......South winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
Patchy fog after midnight. Areas of fog early in the morning.
* Min temperature.....49-54.
* Max humidity........90-100 percent.
* 20-foot winds.......Southwest winds 5 to 10 mph shifting to the
northwest up to 5 mph after midnight.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Areas of fog early in the
morning. Patchy fog late in the morning.
* Max temperature.....84-92.
* Min humidity........35-45 percent.
* 20-foot winds.......North winds up to 5 mph shifting to the
southwest 5 to 10 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. West winds 5 to 15 mph. Lows in
the 50s to lower 60s.
.THURSDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s to lower 60s. Highs in the 80s.
.FRIDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the 70s to lower 80s.
.SATURDAY...Partly cloudy. Southwest winds 5 to 15 mph. Lows in
the 40s to upper 50s. Highs in the 70s.
$$
CAZ504-220915-
North Bay Interior Mountains-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....50-57.
* 24 hr trend......Little change.
* Max humidity........75-95 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph shifting to the
northwest up to 5 mph after midnight.
* Ridges/upr slopes....Southwest winds 5 to 10 mph. Gusts up to 20
mph in the evening.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....78-86.
* 24 hr trend......11 degrees warmer.
* Min humidity........40-50 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds up to 5 mph shifting to the
southwest 5 to 10 mph in the afternoon.
* Ridges/upr slopes....Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....53-61.
* Max humidity........65-85 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph shifting to the
northwest up to 5 mph after midnight.
* Ridges/upr slopes....Southwest winds up to 5 mph shifting to the
northwest after midnight.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Sunny.
* Max temperature.....83-91.
* Min humidity........30-40 percent.
* 20-foot winds.......
* Valleys/lwr slopes...North winds up to 5 mph shifting to the
south in the afternoon.
* Ridges/upr slopes....North winds up to 5 mph shifting to the
southeast in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Southwest winds 5 to 15 mph.
Lows in the 50s to upper 60s.
.THURSDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s to upper 60s. Highs in the 70s to upper 80s.
.FRIDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the 70s to lower 80s.
.SATURDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in
the 40s to upper 50s. Highs in the 70s.
$$
CAZ006-220915-
San Francisco-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy.
* Min temperature.....54-59.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Southwest winds 10 to 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....63-70.
* 24 hr trend......Little change.
* Min humidity........75-85 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....53-58.
* Max humidity........100 percent.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog late in the morning.
* Max temperature.....71-79.
* Min humidity........65-75 percent.
* 20-foot winds.......South winds up to 5 mph shifting to the west
5 to 10 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. West winds 10 to 20 mph. Lows in the upper 50s.
.THURSDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
upper 50s. Highs in the upper 60s to mid 70s.
.FRIDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the mid
50s to lower 60s. Highs in the mid 60s to lower 70s.
.SATURDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
upper 50s. Highs in the 60s.
$$
CAZ509-220915-
San Francisco Peninsula Coast-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Mostly cloudy. Patchy fog after midnight.
* Min temperature.....50-55.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Partly sunny. Patchy fog in the morning.
* Max temperature.....63-68.
* 24 hr trend......Little change.
* Min humidity........75-85 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy. Patchy fog after midnight.
* Min temperature.....51-56.
* Max humidity........90-100 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog early in the
morning.
* Max temperature.....72-80.
* Min humidity........60-70 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Partly cloudy. Northwest winds 5 to 15 mph.
Lows in the mid 50s to lower 60s.
.THURSDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in
the mid 50s to lower 60s. Highs in the upper 60s to mid 70s.
.FRIDAY...Partly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s to lower 60s. Highs in the mid 60s to lower 70s.
.SATURDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in
the 50s. Highs in the 60s to lower 70s.
$$
CAZ508-220915-
San Francisco Bay Shoreline-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....52-57.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 10 to 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....70-78.
* 24 hr trend......4 degrees warmer.
* Min humidity........65-75 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....51-56.
* Max humidity........90-100 percent.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Partly sunny then becoming sunny.
* Max temperature.....80-88.
* Min humidity........45-55 percent.
* 20-foot winds.......South winds up to 5 mph shifting to the
northwest 5 to 10 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. West winds 5 to 15 mph. Lows in
the mid 50s to lower 60s.
.THURSDAY...Mostly clear. West winds 10 to 20 mph. Lows in the
mid 50s to lower 60s. Highs in the mid 70s to lower 80s.
.FRIDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the 50s
to lower 60s. Highs in the 60s to upper 70s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the
50s. Highs in the 60s to upper 70s.
$$
CAZ510-220915-
East Bay Interior Valleys-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....52-57.
* 24 hr trend......Little change.
* Max humidity........80-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Southwest winds 10 to 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....77-85.
* 24 hr trend......5 degrees warmer.
* Min humidity........45-55 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....54-60.
* Max humidity........80-100 percent.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....86-94.
* Min humidity........30-40 percent.
* 20-foot winds.......Southwest winds up to 5 mph shifting to the
northwest 5 to 10 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Southwest winds 5 to 15 mph.
Lows in the 50s to upper 60s.
.THURSDAY...Mostly clear. Southwest winds 10 to 20 mph. Lows in
the 50s to upper 60s. Highs in the 80s to lower 90s.
.FRIDAY...Mostly clear. Southwest winds 10 to 20 mph. Lows in the
50s to mid 60s. Highs in the 70s to mid 80s.
.SATURDAY...Mostly clear. Southwest winds 10 to 20 mph. Lows in
the 50s to lower 60s. Highs in the mid 70s to lower 80s.
$$
CAZ513-220915-
Santa Clara Valley...including San Jose-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....51-56.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......Northwest winds 5 to 10 mph shifting to the
southeast 5 to 10 mph after midnight.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....78-84.
* 24 hr trend......4 degrees warmer.
* Min humidity........45-55 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......South winds up to 5 mph shifting to the west
5 to 10 mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....52-57.
* Max humidity........80-90 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph shifting to the
south up to 5 mph after midnight.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....87-95.
* Min humidity........30-40 percent.
* 20-foot winds.......East winds up to 5 mph shifting to the
northwest in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Northwest winds 5 to 15 mph.
Lows in the lower 60s.
.THURSDAY...Mostly clear. West winds 5 to 15 mph. Lows in the mid
50s to lower 60s. Highs in the 80s to lower 90s.
.FRIDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in the
50s to lower 60s. Highs in the 70s to upper 80s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the
50s. Highs in the upper 70s to mid 80s.
$$
CAZ512-220915-
Santa Cruz Mountains-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy fog in the evening. Areas of fog after midnight.
* Min temperature.....50-55.
* 24 hr trend......Little change.
* Max humidity........75-95 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph.
* Ridges/upr slopes....Southwest winds 5 to 10 mph. Gusts up to 20
mph in the evening.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....70-78.
* 24 hr trend......7 degrees warmer.
* Min humidity........55-65 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds up to 5 mph shifting to the
northwest in the afternoon.
* Ridges/upr slopes....Southwest winds 5 to 10 mph. Gusts up to 20
mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....51-58.
* Max humidity........75-95 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds up to 5 mph in the evening
becoming downvalley 2 to 6 mph.
* Ridges/upr slopes....West winds up to 5 mph. Gusts up to 20 mph
in the evening.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....82-90.
* Min humidity........35-45 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upvalley 3 to 7 mph becoming northwest up to
5 mph in the afternoon.
* Ridges/upr slopes....East winds up to 5 mph shifting to the west
in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Northwest winds 5 to 15 mph.
Lows in the 50s to upper 60s.
.THURSDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 50s to upper 60s. Highs in the upper 70s to mid 80s.
.FRIDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in the
50s to lower 60s. Highs in the 70s to lower 80s.
.SATURDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 40s to upper 50s. Highs in the 70s.
$$
CAZ515-220915-
East Bay Hills-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....50-55.
* 24 hr trend......Little change.
* Max humidity........75-95 percent except 70-80 percent above 2000
feet.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 10 to 15 mph and gusty.
* Ridges/upr slopes....Southwest winds 10 to 15 mph with gusts to
around 30 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....74-82.
* 24 hr trend......4 degrees warmer.
* Min humidity........55-65 percent except 35-45 percent above 2000
feet.
* 24 hr trend......10 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph and gusts to
around 20 mph.
* Ridges/upr slopes....Southwest winds 5 to 10 mph and gusts to
around 20 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....53-59.
* Max humidity........65-85 percent except 48-58 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph. Gusts up to 20
mph in the evening.
* Ridges/upr slopes....Southwest winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....84-92.
* Min humidity........30-40 percent except 20-30 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph shifting to the
northwest in the afternoon.
* Ridges/upr slopes....Southwest winds up to 5 mph shifting to the
northwest 5 to 10 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Southwest winds 5 to 15 mph.
Lows in the 50s to upper 60s.
.THURSDAY...Mostly clear. Southwest winds 10 to 20 mph. Lows in
the 50s to upper 60s. Highs in the 80s.
.FRIDAY...Mostly clear. Southwest winds 10 to 20 mph. Lows in the
50s to lower 60s. Highs in the 70s to lower 80s.
.SATURDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in
the 50s to lower 60s. Highs in the 70s to lower 80s.
$$
CAZ514-220915-
Eastern Santa Clara Hills-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....48-54.
* 24 hr trend......Little change.
* Max humidity........80 percent except 60-70 percent above 2000
feet.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...West winds up to 5 mph in the evening
becoming downvalley 2 to 6 mph.
* Ridges/upr slopes....Southwest winds 5 to 10 mph with gusts to 20
mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....76-84.
* 24 hr trend......4 degrees warmer.
* Min humidity........35-45 percent.
* 24 hr trend......20 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...Upvalley 3 to 7 mph becoming southwest up to
5 mph in the afternoon.
* Ridges/upr slopes....Southwest winds 5 to 10 mph and gusts to
around 20 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....52-59.
* Max humidity........60-80 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds up to 5 mph in the evening
becoming downvalley 2 to 6 mph.
* Ridges/upr slopes....Southwest winds 5 to 10 mph. Gusts up to 20
mph in the evening.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....86-94.
* Min humidity........20-30 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Upvalley 3 to 7 mph becoming south 5 to 10
mph in the afternoon.
* Ridges/upr slopes....Northeast winds up to 5 mph shifting to the
southwest 5 to 10 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. West winds 5 to 15 mph. Lows in
the 50s to upper 60s.
.THURSDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to upper 60s. Highs in the 80s to lower 90s.
.FRIDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the 70s to mid 80s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the mid 70s to lower 80s.
$$
CAZ529-220915-
Northern Monterey Bay-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy fog.
* Min temperature.....50-55.
* 24 hr trend......Little change.
* Max humidity........100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly cloudy then becoming mostly sunny.
Patchy fog in the morning.
* Max temperature.....68-76.
* 24 hr trend......6 degrees warmer.
* Min humidity........65-75 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy fog in the late evening and overnight.
* Min temperature.....50-55.
* Max humidity........90-100 percent.
* 20-foot winds.......South winds 5 to 10 mph shifting to the
northeast up to 5 mph after midnight.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Partly sunny then becoming sunny. Patchy fog
early in the morning.
* Max temperature.....77-85.
* Min humidity........50-60 percent.
* 20-foot winds.......Northeast winds up to 5 mph shifting to the
west 5 to 10 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Northwest winds 5 to 15 mph. Lows in the upper
50s.
.THURSDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in
the mid 50s to lower 60s. Highs in the mid 70s to lower 80s.
.FRIDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in the
50s. Highs in the 70s to lower 80s.
.SATURDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in
the 50s. Highs in the upper 60s to mid 70s.
$$
CAZ530-220915-
Southern Monterey Bay and Big Sur Coast-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....51-56.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....62-67 except Big Sur 68-73.
* 24 hr trend......Little change.
* Min humidity........80 percent except Big Sur 60 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....50-55 except Big Sur 56-61.
* Max humidity........90 percent except Big Sur 60 percent.
* 20-foot winds.......West winds 10 to 15 mph shifting to the north
5 to 10 mph after midnight.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....70-75 except Big Sur 80-85.
* Min humidity........60 percent except Big Sur 40 percent.
* 20-foot winds.......Northeast winds 5 to 10 mph shifting to the
northwest 5 to 10 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Partly cloudy. West winds 5 to 15 mph. Lows in
the 50s to upper 60s.
.THURSDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s to upper 60s. Highs in the 70s to lower 80s.
.FRIDAY...Partly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s to mid 60s. Highs in the 60s to upper 70s.
.SATURDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s to lower 60s. Highs in the 60s to mid 70s.
$$
CAZ528-220915-
Northern Salinas Valley...Hollister Valley...and Carmel Valley-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....50-55.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 10 to 20 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....71-79.
* 24 hr trend......12 degrees warmer.
* Min humidity........55-65 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds up to 5 mph increasing to 10 to 15
mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....51-56.
* Max humidity........80-90 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....83-91.
* Min humidity........35-45 percent.
* 20-foot winds.......East winds up to 5 mph shifting to the
northwest 5 to 10 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Southwest winds 10 to 20 mph.
Lows near 60.
.THURSDAY...Mostly clear. West winds 10 to 20 mph. Lows in the
mid 50s to lower 60s. Highs in the 80s.
.FRIDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the mid
to upper 50s. Highs in the 70s to mid 80s.
.SATURDAY...Mostly clear. West winds 10 to 20 mph. Lows in the
50s. Highs in the 70s to lower 80s.
$$
CAZ516-220915-
Southern Salinas Valley...Arroyo Seco...and Lake San Antonio-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
Patchy fog after midnight.
* Min temperature.....47-52.
* 24 hr trend......Little change.
* Max humidity........100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....81-89.
* 24 hr trend......4 degrees warmer.
* Min humidity........35-45 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Northwest winds up to 5 mph increasing to 10
to 15 mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....50-55.
* Max humidity........70-90 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....89-97.
* Min humidity........20-30 percent.
* 20-foot winds.......North winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Northwest winds 10 to 20 mph.
Lows in the mid 50s to lower 60s.
.THURSDAY...Mostly clear. Northwest winds 10 to 20 mph. Lows in
the mid 50s to lower 60s. Highs in the 80s to upper 90s.
.FRIDAY...Mostly clear. Northwest winds 10 to 20 mph. Lows in the
50s. Highs in the 80s to lower 90s.
.SATURDAY...Mostly clear. Northwest winds 10 to 20 mph. Lows in
the 40s to upper 50s. Highs in the 80s.
$$
CAZ517-220915-
Santa Lucia Mountains and Los Padres National Forest-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....48-55.
* 24 hr trend......4 degrees warmer.
* Max humidity........70-90 percent except 60-70 percent above 2000
feet.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph.
* Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 25
mph in the evening.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....76-84.
* 24 hr trend......12 degrees warmer.
* Min humidity........35-45 percent.
* 24 hr trend......20 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...North winds 5 to 10 mph.
* Ridges/upr slopes....North winds 5 to 10 mph. Gusts up to 25 mph
in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....54-64.
* Max humidity........43-53 percent except 30-40 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph.
* Ridges/upr slopes....North winds 5 to 10 mph. Gusts up to 25 mph
in the evening.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....86-94.
* Min humidity........25-35 percent.
* 20-foot winds.......
* Valleys/lwr slopes...North winds 5 to 10 mph.
* Ridges/upr slopes....North winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Clear. Northwest winds 5 to 15 mph. Lows in
the 60s to lower 70s.
.THURSDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 60s to lower 70s. Highs in the 80s.
.FRIDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in the
50s to upper 60s. Highs in the upper 70s to mid 80s.
.SATURDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 50s to mid 60s. Highs in the mid 70s to lower 80s.
$$
CAZ518-220915-
Mountains of San Benito and Interior Monterey County including
Pinnacles National Park-
214 PM PDT Mon Sep 21 2026
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....47-56.
* 24 hr trend......Little change.
* Max humidity........70-90 percent.
* 24 hr trend......Little change.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph. Gusts up to 20 mph
in the evening.
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 30 mph
decreasing to 20 mph after midnight.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........2500 ft asl.
.TUESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....78-86.
* 24 hr trend......8 degrees warmer.
* Min humidity........30-40 percent.
* 24 hr trend......10 percent drier.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph. Gusts up to 20 mph
in the afternoon.
* Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 30 mph
in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........2000 ft asl.
.TUESDAY NIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....53-62.
* Max humidity........53-73 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph in the evening
becoming downvalley 2 to 6 mph.
* Ridges/upr slopes....Northwest winds 5 to 15 mph with gusts to 20
mph shifting to the north up to 5 mph after midnight.
* CWR.................0%.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....87-95.
* Min humidity........20-30 percent.
* 20-foot winds.......
* Valleys/lwr slopes...East winds 5 to 10 mph.
* Ridges/upr slopes....Northeast winds 5 to 10 mph. Gusts up to 20
mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Clear. Northwest winds 5 to 15 mph. Lows in
the 50s to upper 60s.
.THURSDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to upper 60s. Highs in the 80s to lower 90s.
.FRIDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the upper 70s to mid 80s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the 70s to mid 80s.
$$
NOAA`S NWS on the web at www.weather.gov/sanfrancisco