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
419
FNUS56 KMTR 021218
FWFMTR
Fire Weather Planning Forecast for the San Francisco Bay Area and
Central California Coast
National Weather Service San Francisco Bay Area
518 AM PDT Tue Sep 2 2025
.DISCUSSION...There is a 15-20% chance for isolated showers and
thunderstorms starting in interior Napa Valley and continuing
southwards down the Diablo Range and into interior southern
Monterey Co through the early afternoon. Lightning, gusty and
erratic winds, and perhaps a few hundredths of an inch of rain
are possible. Outside of this threat, a gradual cooling trend
starts today, with the marine layer improving over the next couple
of nights.
Note : All winds are 20-foot Winds Unless otherwise specified.
Thunderstorms imply strong, gusty and erratic winds.
$$
CAZ505-030030-
Coastal North Bay...Including Point Reyes National Seashore-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....68-76.
* 24 hr trend......Little change.
* Min humidity........70-80 percent.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....51-56.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...4 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Partly sunny. Patchy fog in the morning.
* Max temperature.....65-73.
* Min humidity........75-85 percent.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Slight chance of drizzle. West winds 5 to 15 mph.
Lows in the 50s.
.THURSDAY...Mostly cloudy. Slight chance of drizzle. West winds
10 to 20 mph. Lows in the 50s. Highs in the 60s.
.FRIDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
50s. Highs in the 60s to lower 70s.
.SATURDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s. Highs in the 60s to lower 70s.
$$
CAZ503-030030-
Sonoma Coastal Range-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Sunny.
* Max temperature.....85-93.
* 24 hr trend......Little change.
* Min humidity........35-45 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......
* Ridges/upr slopes....East winds up to 5 mph shifting to the
southwest 5 to 10 mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....52-57.
* 24 hr trend......11 degrees cooler.
* Max humidity........70-90 percent.
* 24 hr trend......25 percent wetter.
* 20-foot winds.......
* Ridges/upr slopes....Southwest winds 5 to 10 mph shifting to the
southeast up to 5 mph after midnight.
* Chance of Thunder...4 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog early in the
morning.
* Max temperature.....80-88.
* Min humidity........40-50 percent.
* 20-foot winds.......
* Ridges/upr slopes....Southeast winds up to 5 mph shifting to the
southwest 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 mid 50s
to lower 60s.
.THURSDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s to lower 60s. Highs in the 70s to mid 80s.
.FRIDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in the
50s to lower 60s. Highs in the mid 70s to lower 80s.
.SATURDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 50s to lower 60s. Highs in the mid 70s to lower 80s.
$$
CAZ502-030030-
Marin Coastal Range-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Sunny.
* Max temperature.....80-88 except 75-80 above 2000 feet.
* 24 hr trend......Little change.
* Min humidity........45-55 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph.
* Ridges/upr slopes....Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....52-57.
* 24 hr trend......Little change.
* Max humidity........80-100 percent except 50-60 percent above
2000 feet.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph.
* Ridges/upr slopes....Southwest winds 5 to 10 mph.
* Chance of Thunder...4 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Partly sunny then becoming sunny.
* Max temperature.....76-84.
* Min humidity........50-60 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph.
* Ridges/upr slopes....Southwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Slight chance of drizzle. West winds 10 to 20 mph.
Lows in the mid 50s to lower 60s.
.THURSDAY...Mostly cloudy. Slight chance of drizzle. West winds
10 to 20 mph. Lows in the mid 50s to lower 60s. Highs in the 70s.
.FRIDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the 50s
to lower 60s. Highs in the 70s.
.SATURDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
50s to lower 60s. Highs in the 70s.
$$
CAZ506-030030-
North Bay Interior Valleys-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....85-93.
* 24 hr trend......9 degrees cooler.
* Min humidity........35-45 percent.
* 24 hr trend......15 percent wetter.
* 20-foot winds.......South winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....52-57.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...5 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog early in the
morning.
* Max temperature.....81-89.
* Min humidity........40-50 percent.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Southwest winds 5 to 15 mph. Lows in the 50s.
.THURSDAY...Partly cloudy. Southwest winds 10 to 20 mph. Lows in
the 50s. Highs in the mid 70s to lower 80s.
.FRIDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s.
Highs in the 70s to lower 80s.
.SATURDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the
50s. Highs in the mid 70s to lower 80s.
$$
CAZ504-030030-
North Bay Interior Mountains-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Sunny. Slight chance of rain showers and
isolated thunderstorms in the morning.
* Max temperature.....89-97.
* 24 hr trend......Little change.
* Min humidity........25-35 percent.
* 24 hr trend......5 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...East winds 5 to 10 mph shifting to the south
10 to 15 mph in the afternoon.
* Ridges/upr slopes....Northeast winds 5 to 10 mph shifting to the
south 10 to 15 mph and gusts to around 20 mph in the
afternoon.
* Chance of Thunder...16 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....54-64.
* 24 hr trend......8 degrees cooler.
* Max humidity........50-70 percent except 43-53 percent above 2000
feet.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph.
* Ridges/upr slopes....Southwest winds 5 to 10 mph. Gusts up to 20
mph in the evening.
* Chance of Thunder...6 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....85-93.
* Min humidity........25-35 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph.
* Ridges/upr slopes....Southwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. West winds 5 to 15 mph. Lows in
the 50s to upper 60s.
.THURSDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in
the 50s to upper 60s. Highs in the 70s to upper 80s.
.FRIDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the 70s to mid 80s.
.SATURDAY...Mostly clear. Southwest winds 5 to 15 mph. Lows in
the 50s to mid 60s. Highs in the mid 70s to lower 80s.
$$
CAZ006-030030-
San Francisco-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....66-74.
* 24 hr trend......Little change.
* Min humidity........75-85 percent.
* 24 hr trend......30 percent wetter.
* 20-foot winds.......Southwest winds 10 to 20 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....55-60.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......Little change.
* 20-foot winds.......Southwest winds 15 to 25 mph decreasing to 10
to 15 mph after midnight.
* Chance of Thunder...2 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Partly sunny.
* Max temperature.....64-72.
* Min humidity........75-85 percent.
* 20-foot winds.......Southwest winds 5 to 10 mph shifting to the
west 10 to 20 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Slight chance of drizzle. West winds 10 to 20 mph.
Lows in the upper 50s.
.THURSDAY...Mostly cloudy. Slight chance of drizzle. West winds
15 to 25 mph. Lows in the upper 50s. Highs in the 60s to lower
70s.
.FRIDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the
upper 50s. Highs in the 60s to lower 70s.
.SATURDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
upper 50s. Highs in the 60s to lower 70s.
$$
CAZ509-030030-
San Francisco Peninsula Coast-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....68-76.
* 24 hr trend......Little change.
* Min humidity........70-80 percent.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy fog after midnight. Slight chance of drizzle after
midnight.
* Min temperature.....52-57.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................10%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Partly sunny. Patchy dense fog early in the
morning.
* Max temperature.....66-74.
* Min humidity........75-85 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly cloudy. Slight chance of drizzle.
Northwest winds 5 to 15 mph. Lows in the mid 50s.
.THURSDAY...Mostly cloudy. Slight chance of drizzle. Northwest
winds 10 to 20 mph. Lows in the 50s. Highs in the 60s to lower
70s.
.FRIDAY...Mostly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s. Highs in the 60s to lower 70s.
.SATURDAY...Partly cloudy. Patchy fog. Northwest winds 5 to
15 mph. Lows in the 50s. Highs in the mid 60s to lower 70s.
$$
CAZ508-030030-
San Francisco Bay Shoreline-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Sunny.
* Max temperature.....77-85.
* 24 hr trend......Little change.
* Min humidity........55-65 percent.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....55-60.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......West winds 10 to 15 mph.
* Chance of Thunder...2 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....74-82.
* Min humidity........55-65 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. West winds 10 to 20 mph. Lows in the mid 50s to
lower 60s.
.THURSDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the
mid 50s to lower 60s. Highs in the upper 60s to mid 70s.
.FRIDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the mid
50s to lower 60s. Highs in the 60s to mid 70s.
.SATURDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
mid 50s to lower 60s. Highs in the upper 60s to mid 70s.
$$
CAZ510-030030-
East Bay Interior Valleys-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Mostly sunny. Slight chance of rain showers
and isolated thunderstorms in the morning.
* Max temperature.....88-96.
* 24 hr trend......5 degrees cooler.
* Min humidity........35-45 percent.
* 24 hr trend......15 percent wetter.
* 20-foot winds.......West winds 10 to 15 mph.
* Chance of Thunder...18 percent.
* CWR.................10%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....57-63.
* 24 hr trend......5 degrees cooler.
* Max humidity........70-90 percent.
* 24 hr trend......30 percent wetter.
* 20-foot winds.......Southwest winds 15 to 25 mph.
* Chance of Thunder...4 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....84-92.
* Min humidity........35-45 percent.
* 20-foot winds.......West winds 10 to 15 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Southwest winds 10 to 20 mph.
Lows in the 50s to mid 60s.
.THURSDAY...Mostly clear. Southwest winds 15 to 25 mph. Lows in
the 50s to mid 60s. Highs in the upper 70s to mid 80s.
.FRIDAY...Partly cloudy. Southwest winds 10 to 20 mph. Lows in
the 50s to mid 60s. Highs in the mid 70s to lower 80s.
.SATURDAY...Mostly clear. Southwest winds 10 to 20 mph. Lows in
the mid 50s to lower 60s. Highs in the mid 70s to lower 80s.
$$
CAZ513-030030-
Santa Clara Valley...including San Jose-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Sunny. Slight chance of rain showers and
isolated thunderstorms in the morning.
* Max temperature.....85-93.
* 24 hr trend......Little change.
* Min humidity........40-50 percent.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......South winds 5 to 10 mph shifting to the west
10 to 15 mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....54-59.
* 24 hr trend......Little change.
* Max humidity........90 percent.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....82-90.
* Min humidity........35-45 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
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 70s to mid 80s.
.FRIDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the mid
50s to lower 60s. Highs in the mid 70s to lower 80s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the mid
to upper 50s. Highs in the 70s to mid 80s.
$$
CAZ512-030030-
Santa Cruz Mountains-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Sunny.
* Max temperature.....79-87.
* 24 hr trend......4 degrees cooler.
* Min humidity........45-55 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 5 to 10 mph.
* Ridges/upr slopes....South winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Partly cloudy. Slight chance of drizzle after
midnight.
* Min temperature.....54-63.
* 24 hr trend......4 degrees cooler.
* Max humidity........60-80 percent except 43-53 percent above 2000
feet.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 5 to 10 mph in the evening
becoming downvalley 2 to 6 mph.
* Ridges/upr slopes....Southwest winds 5 to 10 mph shifting to the
northwest 5 to 10 mph after midnight.
* Chance of Thunder...0 percent.
* CWR.................10%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....78-86.
* Min humidity........45-55 percent.
* 20-foot winds.......
* Valleys/lwr slopes...Northwest winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Slight chance of drizzle. Northwest winds 5 to
15 mph. Lows in the 50s to mid 60s.
.THURSDAY...Partly cloudy. Slight chance of drizzle. West winds
5 to 15 mph. Lows in the 50s to mid 60s. Highs in the 70s to
lower 80s.
.FRIDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the 70s.
.SATURDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in
the 50s to mid 60s. Highs in the 70s to lower 80s.
$$
CAZ515-030030-
East Bay Hills-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Mostly sunny. Slight chance of rain showers
and isolated thunderstorms.
* Max temperature.....87-95.
* 24 hr trend......Little change.
* Min humidity........35-45 percent except 20-30 percent above 2000
feet.
* 24 hr trend......15 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 10 to 15 mph and gusts to
around 20 mph.
* Ridges/upr slopes....Southwest winds 10 to 15 mph.
* Chance of Thunder...17 percent.
* CWR.................10%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....57-65.
* 24 hr trend......8 degrees cooler.
* Max humidity........58-78 percent except 30-40 percent above 2000
feet.
* 24 hr trend......30 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...Southwest winds 10 to 20 mph.
* Ridges/upr slopes....Southwest winds 10 to 20 mph with gusts to
around 30 mph.
* Chance of Thunder...4 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....76-84 except 82-90 above 2000 feet.
* Min humidity........45-55 percent except 20-30 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 10 to 15 mph.
* Ridges/upr slopes....West winds 10 to 15 mph. Gusts up to 25 mph
in the morning.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. West winds 10 to 20 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 70s to mid 80s.
.FRIDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the 50s
to mid 60s. Highs in the 70s to lower 80s.
.SATURDAY...Mostly clear. Southwest winds 10 to 20 mph. Lows in
the 50s to mid 60s. Highs in the mid 70s to lower 80s.
$$
CAZ514-030030-
Eastern Santa Clara Hills-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Sunny. Slight chance of showers and isolated
thunderstorms through the day.
* Max temperature.....87-95.
* 24 hr trend......6 degrees cooler.
* Min humidity........25-35 percent.
* 24 hr trend......5 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...South winds up to 5 mph increasing to 10 to
15 mph in the afternoon.
* Ridges/upr slopes....Southwest winds 5 to 10 mph.
* Chance of Thunder...18 percent.
* CWR.................10%.
* Marine layer........None.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....55-60 except 60-67 above 2000 feet.
* 24 hr trend......5 degrees cooler.
* Max humidity........40 percent except 30-35 percent above 2000
feet.
* 24 hr trend......5 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 10 mph with gusts to 20 mph.
* Chance of Thunder...3 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....85-93.
* Min humidity........25-35 percent.
* 20-foot winds.......
* Valleys/lwr slopes...West winds up to 5 mph shifting to the south
5 to 10 mph in the afternoon.
* Ridges/upr slopes....West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. West winds 5 to 15 mph. Lows in
the 50s to upper 60s.
.THURSDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the 80s.
.FRIDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the 70s to mid 80s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the 70s to mid 80s.
$$
CAZ529-030030-
Northern Monterey Bay-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....70-78.
* 24 hr trend......9 degrees cooler.
* Min humidity........65-75 percent.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Patchy fog after midnight. Slight chance of drizzle after
midnight.
* Min temperature.....52-57.
* 24 hr trend......Little change.
* Max humidity........90-100 percent.
* 24 hr trend......10 percent wetter.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog early in the
morning.
* Max temperature.....72-80.
* Min humidity........60-70 percent.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear in the evening then becoming
mostly cloudy. Patchy fog. Slight chance of drizzle. South winds
5 to 15 mph. Lows in the mid 50s.
.THURSDAY...Partly cloudy. Slight chance of drizzle. Patchy fog.
Southwest winds 5 to 15 mph. Lows in the mid to upper 50s. Highs
in the 60s to upper 70s.
.FRIDAY...Partly cloudy. Patchy fog. Northwest winds 5 to 15 mph.
Lows in the mid to upper 50s. Highs in the 70s.
.SATURDAY...Partly cloudy. Patchy fog. Northwest winds 5 to
15 mph. Lows in the mid 50s. Highs in the 70s.
$$
CAZ530-030030-
Southern Monterey Bay and Big Sur Coast-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....67-75.
* 24 hr trend......4 degrees cooler.
* Min humidity........70 percent except Big Sur 60 percent.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of drizzle after midnight.
* Min temperature.....53-58.
* 24 hr trend......Little change.
* Max humidity........100 percent except Big Sur 70 percent.
* 24 hr trend......Little change.
* 20-foot winds.......West winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny. Patchy fog early in the
morning.
* Max temperature.....64-69 except Big Sur 74-79.
* Min humidity........80 percent except Big Sur 50 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. Slight chance of drizzle. West winds 10 to 20 mph.
Lows in the 50s to lower 60s.
.THURSDAY...Mostly cloudy. Slight chance of drizzle. West winds
5 to 15 mph. Lows in the 50s to lower 60s. Highs in the mid 60s
to lower 70s.
.FRIDAY...Mostly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s to lower 60s. Highs in the mid 60s to lower 70s.
.SATURDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in
the 50s to lower 60s. Highs in the mid 60s to lower 70s.
$$
CAZ528-030030-
Northern Salinas Valley...Hollister Valley...and Carmel Valley-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Mostly sunny. Slight chance of rain showers
and isolated thunderstorms in the morning.
* Max temperature.....76-84.
* 24 hr trend......Little change.
* Min humidity........50-60 percent.
* 24 hr trend......50 percent wetter.
* 20-foot winds.......Northwest winds 5 to 10 mph shifting to the
west 10 to 20 mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.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 20 mph shifting to the
northwest 5 to 10 mph after midnight.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Partly sunny then becoming sunny. Patchy fog
late in the morning.
* Max temperature.....75-83.
* Min humidity........50-60 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph shifting to the
west 10 to 20 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 mid 50s.
.THURSDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
50s. Highs in the 70s to lower 80s.
.FRIDAY...Partly cloudy. West winds 15 to 25 mph. Lows in the
50s. Highs in the 70s to lower 80s.
.SATURDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
mid 50s. Highs in the 70s to lower 80s.
$$
CAZ516-030030-
Southern Salinas Valley...Arroyo Seco...and Lake San Antonio-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Mostly sunny. Slight chance of rain showers
and isolated thunderstorms in the morning.
* Max temperature.....87-95.
* 24 hr trend......6 degrees cooler.
* Min humidity........30-40 percent.
* 24 hr trend......5 percent wetter.
* 20-foot winds.......North winds up to 5 mph increasing to west 10
to 20 mph in the afternoon.
* Chance of Thunder...16 percent.
* CWR.................0%.
* Marine layer........None.
.TONIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....52-57.
* 24 hr trend......5 degrees cooler.
* Max humidity........75-95 percent.
* 24 hr trend......20 percent wetter.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....88-96.
* Min humidity........30-40 percent.
* 20-foot winds.......Northwest winds up to 5 mph increasing to 10
to 15 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Northwest winds 10 to 20 mph.
Lows in the 50s.
.THURSDAY...Mostly clear. Northwest winds 10 to 20 mph. Lows in
the 40s to upper 50s. Highs in the mid 80s to lower 90s.
.FRIDAY...Mostly clear. Northwest winds 10 to 20 mph. Lows in the
upper 40s to mid 50s. Highs in the 80s to lower 90s.
.SATURDAY...Mostly clear. Northwest winds 10 to 20 mph. Lows in
the upper 40s to mid 50s. Highs in the 80s.
$$
CAZ517-030030-
Santa Lucia Mountains and Los Padres National Forest-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Sunny.
* Max temperature.....84-92.
* 24 hr trend......9 degrees cooler.
* Min humidity........30-40 percent.
* 24 hr trend......5 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 5 to 10 mph.
* Ridges/upr slopes....South winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....55-65 except 63-68 above 2000 feet.
* 24 hr trend......4 degrees cooler.
* Max humidity........43-53 percent except 25-35 percent above 2000
feet.
* 24 hr trend......30 percent drier.
* 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....Northwest winds 5 to 10 mph. Gusts up to 20
mph in the evening.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....85-93.
* Min humidity........30-40 percent.
* 20-foot winds.......
* Valleys/lwr slopes...North winds 5 to 10 mph.
* Ridges/upr slopes....North winds 5 to 10 mph. Gusts up to 20 mph
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 mid 60s. Highs in the mid 70s to lower 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.
$$
CAZ518-030030-
Mountains of San Benito and Interior Monterey County including
Pinnacles National Park-
518 AM PDT Tue Sep 2 2025
.TODAY...
* Sky/weather.........Mostly sunny. Slight chance of rain showers
and isolated thunderstorms in the morning.
* Max temperature.....89-97.
* 24 hr trend......4 degrees cooler.
* Min humidity........25-35 percent.
* 24 hr trend......5 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 5 to 10 mph.
* Ridges/upr slopes....South winds up to 5 mph increasing to
southwest 10 to 15 mph in the afternoon.
* Chance of Thunder...18 percent.
* CWR.................10%.
* Marine layer........1000 ft asl.
.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....58-68.
* 24 hr trend......4 degrees cooler.
* Max humidity........40-50 percent except 30-40 percent above 2000
feet.
* 24 hr trend......5 percent wetter.
* 20-foot winds.......
* Valleys/lwr slopes...West winds 5 to 10 mph.
* Ridges/upr slopes....West winds 5 to 10 mph.
* Chance of Thunder...2 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.
.WEDNESDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....87-95.
* Min humidity........15-20 percent except 20-30 percent above 2000
feet.
* 20-foot winds.......
* Valleys/lwr slopes...South winds 5 to 10 mph.
* Ridges/upr slopes....Northwest winds up to 5 mph shifting to the
west 10 to 15 mph in the afternoon.
* CWR.................0%.
.EXTENDED...
.WEDNESDAY NIGHT...Mostly clear. Northwest winds 10 to 20 mph.
Lows in the 60s to lower 70s.
.THURSDAY...Mostly clear. West winds 10 to 20 mph. Lows in the
50s to upper 60s. Highs in the 70s to upper 80s.
.FRIDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the upper 70s to mid 80s.
.SATURDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the upper 70s to mid 80s.
$$
NOAA`S NWS on the web at www.weather.gov/sanfrancisco