Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Francisco Bay Area, CA

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585
FNUS56 KMTR 210955
FWFMTR

Fire Weather Planning Forecast for the San Francisco Bay Area and
Central California Coast
National Weather Service San Francisco Bay Area
255 AM PDT Fri Aug 21 2026

.DISCUSSION...Near to slightly below normal temperatures and dry
conditions are expected through the weekend. A compressed marine
layer will continue to support poor minimum daytime relative
humidity in the afternoons across the interior with little to no
recovery at night in the higher terrain. Relatively speaking, the
Bay Area will remain cooler with a deeper marine layer and the
Central Coast will remain hotter with a shallower marine layer.
Diurnal sea breeze is expected in the afternoons and evenings.

Note : All winds are 20-foot Winds Unless otherwise specified.
Thunderstorms imply strong, gusty and erratic winds.

$$

CAZ505-212200-
Coastal North Bay...Including Point Reyes National Seashore-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Mostly cloudy then becoming mostly sunny.
* Max temperature.....61-69.
*    24 hr trend......4 degrees cooler.
* Min humidity........75-85 percent.
*    24 hr trend......10 percent drier.
* 20-foot winds.......West winds 10 to 15 mph.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly 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 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1200 ft asl.

.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....66-74.
* Min humidity........70-80 percent.
* 20-foot winds.......Northwest winds 10 to 20 mph.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Mostly clear in the evening then becoming
mostly cloudy. Northwest winds 10 to 20 mph. Lows in the mid 50s.
.SUNDAY...Mostly cloudy. West winds 5 to 15 mph. Lows in the
lower to mid 50s. Highs in the 60s to lower 70s.
.MONDAY...Mostly cloudy. Patchy fog. West winds 5 to 15 mph. Lows
in the 50s. Highs in the 50s to upper 60s.
.TUESDAY...Mostly cloudy. Patchy fog. West winds 5 to 15 mph.
Lows in the 50s. Highs in the 60s.

$$

CAZ503-212200-
Sonoma Coastal Range-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Mostly cloudy then becoming mostly sunny.
* Max temperature.....73-81.
*    24 hr trend......Little change.
* Min humidity........50-60 percent.
*    24 hr trend......Little change.
* 20-foot winds.......
*     Ridges/upr slopes....West winds 5 to 10 mph. Gusts up to 20 mph
      in the afternoon.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.

.TONIGHT...
* Sky/weather.........Mostly clear.
* Min temperature.....49-54.
*    24 hr trend......4 degrees cooler.
* Max humidity........80-100 percent.
*    24 hr trend......10 percent wetter.
* 20-foot winds.......
*     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........1200 ft asl.

.SATURDAY...
* Sky/weather.........Sunny.
* Max temperature.....79-87.
* Min humidity........40-50 percent.
* 20-foot winds.......
*     Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 20
      mph in the afternoon.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Northwest winds 5 to 15 mph. Lows in the 50s.
.SUNDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s.
Highs in the 70s to mid 80s.
.MONDAY...Partly cloudy. Patchy fog. West winds 5 to 15 mph. Lows
in the 50s. Highs in the 70s.
.TUESDAY...Partly cloudy. Patchy fog. Northwest winds 5 to
15 mph. Lows in the 50s. Highs in the 70s to lower 80s.

$$

CAZ502-212200-
Marin Coastal Range-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Partly sunny.
* Max temperature.....69-77.
*    24 hr trend......Little change.
* Min humidity........55-65 percent except 40-50 percent above 2000
  feet.
*    24 hr trend......Little change.
* 20-foot winds.......
*     Valleys/lwr slopes...West winds 10 to 15 mph. Gusts up to 20 mph
      in the afternoon.
*     Ridges/upr slopes....West winds 10 to 15 mph. Gusts up to 25 mph
      in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....50-55 except 57-62 above 2000 feet.
*    24 hr trend......Little change.
* Max humidity........80-100 percent except 45-50 percent above
  2000 feet.
*    24 hr trend......10 percent wetter.
* 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 with gusts to 20 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1200 ft asl.

.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....76-84.
* Min humidity........50-60 percent except 30-40 percent above 2000
  feet.
* 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 with gusts 20 to 30
      mph.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. West winds 10 to 20 mph. Lows in the 50s to mid
60s.
.SUNDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the 70s.
.MONDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the upper 60s to mid 70s.
.TUESDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the
50s to lower 60s. Highs in the 70s.

$$

CAZ506-212200-
North Bay Interior Valleys-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Mostly sunny. Patchy fog in the morning.
* Max temperature.....76-84.
*    24 hr trend......Little change.
* Min humidity........45-55 percent.
*    24 hr trend......Little change.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...1 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly cloudy. Patchy fog after midnight.
* Min temperature.....49-54.
*    24 hr trend......Little change.
* Max humidity........90-100 percent.
*    24 hr trend......Little change.
* 20-foot winds.......Southwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1200 ft asl.

.SATURDAY...
* Sky/weather.........Mostly sunny. Patchy fog early in the
  morning.
* Max temperature.....80-88.
* Min humidity........45-55 percent.
* 20-foot winds.......West winds 5 to 10 mph.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. West winds 5 to 15 mph. Lows in the 50s.
.SUNDAY...Partly cloudy. Patchy fog. Southwest winds 5 to 15 mph.
Lows in the 50s. Highs in the 70s to mid 80s.
.MONDAY...Partly cloudy. Patchy fog. Southwest winds 5 to 15 mph.
Lows in the 50s. Highs in the 70s to lower 80s.
.TUESDAY...Mostly cloudy. Areas of fog. Patchy fog. Southwest
winds 5 to 15 mph. Lows in the 50s. Highs in the 70s.

$$

CAZ504-212200-
North Bay Interior Mountains-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Partly sunny.
* Max temperature.....79-87.
*    24 hr trend......Little change.
* Min humidity........35-45 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 afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....52-60.
*    24 hr trend......Little change.
* Max humidity........65-85 percent except 53-63 percent above 2000
  feet.
*    24 hr trend......20 percent wetter.
* 20-foot winds.......
*     Valleys/lwr slopes...West winds 5 to 10 mph shifting to the
      northwest 5 to 10 mph after midnight.
*     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........1200 ft asl.

.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....82-90.
* Min humidity........30-40 percent.
* 20-foot winds.......
*     Valleys/lwr slopes...West winds 5 to 10 mph.
*     Ridges/upr slopes....Southwest winds 5 to 10 mph. Gusts up to 20
      mph in the afternoon.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Mostly clear. West winds 5 to 15 mph. Lows in
the 50s to mid 60s.
.SUNDAY...Partly cloudy. Southwest winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the 80s.
.MONDAY...Partly cloudy. Southwest winds 5 to 15 mph. Lows in the
50s to mid 60s. Highs in the upper 70s to mid 80s.
.TUESDAY...Partly cloudy. Southwest winds 5 to 15 mph. Lows in
the 50s to mid 60s. Highs in the upper 70s to mid 80s.

$$

CAZ006-212200-
San Francisco-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Partly sunny.
* Max temperature.....62-68.
*    24 hr trend......Little change.
* Min humidity........75-85 percent.
*    24 hr trend......10 percent drier.
* 20-foot winds.......West winds 10 to 20 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly cloudy.
* Min temperature.....54-59.
*    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........1200 ft asl.

.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....64-71.
* Min humidity........75-85 percent.
* 20-foot winds.......West winds 10 to 20 mph.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. West winds 10 to 20 mph. Lows in the upper 50s.
.SUNDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the
upper 50s. Highs in the 60s to lower 70s.
.MONDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the
upper 50s. Highs in the 60s.
.TUESDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the
upper 50s. Highs in the 60s.

$$

CAZ509-212200-
San Francisco Peninsula Coast-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Partly sunny.
* Max temperature.....62-70.
*    24 hr trend......Little change.
* Min humidity........75-85 percent.
*    24 hr trend......10 percent drier.
* 20-foot winds.......Northwest winds 10 to 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 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.......Northwest winds 10 to 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1200 ft asl.

.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....64-72.
* Min humidity........75-85 percent.
* 20-foot winds.......Northwest winds 10 to 20 mph.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Mostly cloudy. Northwest winds 10 to 20 mph.
Lows in the 50s.
.SUNDAY...Mostly cloudy. Patchy fog. Northwest winds 5 to 15 mph.
Lows in the 50s. Highs in the 60s.
.MONDAY...Mostly cloudy. Patchy fog. West winds 5 to 15 mph. Lows
in the 50s. Highs in the 60s.
.TUESDAY...Mostly cloudy. Northwest winds 5 to 15 mph. Lows in
the 50s. Highs in the 60s to lower 70s.

$$

CAZ508-212200-
San Francisco Bay Shoreline-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Partly sunny.
* Max temperature.....69-77.
*    24 hr trend......Little change.
* Min humidity........65-75 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.

.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....53-58.
*    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........1200 ft asl.

.SATURDAY...
* Sky/weather.........Partly sunny then becoming sunny.
* Max temperature.....72-80.
* Min humidity........55-65 percent.
* 20-foot winds.......West winds 10 to 15 mph.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Clear in the evening then becoming partly
cloudy. West winds 10 to 20 mph. Lows in the 50s to lower 60s.
.SUNDAY...Mostly cloudy. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the 60s to upper 70s.
.MONDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to lower 60s. Highs in the upper 60s to mid 70s.
.TUESDAY...Mostly cloudy. West winds 5 to 15 mph. Lows in the
50s. Highs in the upper 60s to mid 70s.

$$

CAZ510-212200-
East Bay Interior Valleys-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Partly sunny.
* Max temperature.....78-86.
*    24 hr trend......5 degrees cooler.
* Min humidity........35-45 percent.
*    24 hr trend......10 percent wetter.
* 20-foot winds.......Southwest winds 10 to 20 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....55-61.
*    24 hr trend......Little change.
* Max humidity........75-95 percent.
*    24 hr trend......10 percent wetter.
* 20-foot winds.......Southwest winds 10 to 20 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1200 ft asl.

.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....82-90.
* Min humidity........35-45 percent.
* 20-foot winds.......Southwest winds 10 to 15 mph.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Southwest winds 10 to 20 mph.
Lows in the 50s to mid 60s.
.SUNDAY...Partly cloudy. Southwest winds 10 to 20 mph. Lows in
the 50s to mid 60s. Highs in the upper 70s to mid 80s.
.MONDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the 50s
to mid 60s. Highs in the 70s to mid 80s.
.TUESDAY...Partly cloudy. Southwest winds 10 to 20 mph. Lows in
the mid 50s to lower 60s. Highs in the upper 70s to mid 80s.

$$

CAZ513-212200-
Santa Clara Valley...including San Jose-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Partly sunny.
* Max temperature.....78-86.
*    24 hr trend......4 degrees cooler.
* Min humidity........45-55 percent.
*    24 hr trend......Little change.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....53-58.
*    24 hr trend......Little change.
* Max humidity........90 percent.
*    24 hr trend......Little change.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1200 ft asl.

.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....81-89.
* Min humidity........45-55 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Clear in the evening then becoming partly
cloudy. Northwest winds 5 to 15 mph. Lows in the mid 50s to lower
60s.
.SUNDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the mid
50s to lower 60s. Highs in the upper 70s to mid 80s.
.MONDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the mid
50s to lower 60s. Highs in the upper 70s to mid 80s.
.TUESDAY...Partly cloudy. Patchy fog. West winds 5 to 15 mph.
Lows in the mid to upper 50s. Highs in the upper 70s to mid 80s.

$$

CAZ512-212200-
Santa Cruz Mountains-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Partly sunny.
* Max temperature.....74-82.
*    24 hr trend......Little change.
* Min humidity........45-55 percent except 35-45 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 20
      mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....53-60.
*    24 hr trend......Little change.
* Max humidity........60-80 percent except 43-53 percent above 2000
  feet.
*    24 hr trend......20 percent wetter.
* 20-foot winds.......
*     Valleys/lwr slopes...Northwest winds 5 to 10 mph.
*     Ridges/upr slopes....Northwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1200 ft asl.

.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....76-84.
* Min humidity........35-45 percent except 25-35 percent above 2000
  feet.
* 20-foot winds.......
*     Valleys/lwr slopes...Northwest winds 5 to 10 mph. Gusts up to 20
      mph in the afternoon.
*     Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 20
      mph in the afternoon.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Clear in the evening then becoming partly
cloudy. Northwest winds 5 to 15 mph. Lows in the 50s to mid 60s.
.SUNDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the 70s to lower 80s.
.MONDAY...Partly cloudy. Patchy fog. West winds 5 to 15 mph. Lows
in the 50s to mid 60s. Highs in the 70s.
.TUESDAY...Partly cloudy. Patchy fog. West winds 5 to 15 mph.
Lows in the 50s to lower 60s. Highs in the 70s.

$$

CAZ515-212200-
East Bay Hills-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Partly sunny.
* Max temperature.....70-78 except 76-84 above 2000 feet.
*    24 hr trend......5 degrees cooler.
* Min humidity........45-55 percent except 25-35 percent above 2000
  feet.
*    24 hr trend......10 percent wetter.
* 20-foot winds.......
*     Valleys/lwr slopes...Southwest winds 10 to 20 mph with gusts to
      around 30 mph.
*     Ridges/upr slopes....Southwest winds 10 to 20 mph with gusts to
      around 30 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....54-61.
*    24 hr trend......Little change.
* Max humidity........63-83 percent except 38-48 percent above 2000
  feet.
*    24 hr trend......20 percent wetter.
* 20-foot winds.......
*     Valleys/lwr slopes...Southwest winds 10 to 20 mph with gusts to
      around 30 mph.
*     Ridges/upr slopes....Southwest winds 10 to 20 mph with gusts to
      around 35 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1200 ft asl.

.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....78-86.
* Min humidity........40-50 percent except 20-30 percent above 2000
  feet.
* 20-foot winds.......
*     Valleys/lwr slopes...West winds 10 to 15 mph with gusts to around
      30 mph.
*     Ridges/upr slopes....West winds 10 to 15 mph with gusts to around
      30 mph.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Southwest winds 5 to 15 mph. Lows
in the 50s to mid 60s.
.SUNDAY...Partly cloudy. Southwest winds 10 to 20 mph. Lows in
the 50s to mid 60s. Highs in the upper 70s to mid 80s.
.MONDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the 50s
to mid 60s. Highs in the mid 70s to lower 80s.
.TUESDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the 70s to mid 80s.

$$

CAZ514-212200-
Eastern Santa Clara Hills-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Partly sunny.
* Max temperature.....84-89 except 81-86 above 2000 feet.
*    24 hr trend......Little change.
* Min humidity........15 percent except 18-28 percent above 2000
  feet.
*    24 hr trend......Little change.
* 20-foot winds.......
*     Valleys/lwr slopes...Upvalley 3 to 7 mph becoming southwest 5 to
      10 mph in the afternoon.
*     Ridges/upr slopes....West winds 5 to 10 mph and gusts to around
      20 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly cloudy then becoming mostly clear.
* Min temperature.....53-60.
*    24 hr trend......Little change.
* Max humidity........55-75 percent.
*    24 hr trend......20 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...0 percent.
* CWR.................0%.
* Marine layer........None.

.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....81-89.
* Min humidity........25-35 percent.
* 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.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Mostly clear. West winds 5 to 15 mph. Lows in
the 50s to upper 60s.
.SUNDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to upper 60s. Highs in the 80s.
.MONDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the 70s to upper 80s.
.TUESDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the 70s to upper 80s.

$$

CAZ529-212200-
Northern Monterey Bay-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Partly sunny. Patchy fog in the morning.
* Max temperature.....71-79.
*    24 hr trend......Little change.
* Min humidity........60-70 percent.
*    24 hr trend......Little change.
* 20-foot winds.......North winds 5 to 10 mph shifting to the
  southwest 10 to 15 mph in the afternoon.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.

.TONIGHT...
* Sky/weather.........Mostly clear then becoming partly cloudy.
* Min temperature.....53-58.
*    24 hr trend......Little change.
* Max humidity........90-100 percent.
*    24 hr trend......Little change.
* 20-foot winds.......Southeast winds 5 to 10 mph shifting to the
  north 5 to 10 mph after midnight.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1200 ft asl.

.SATURDAY...
* Sky/weather.........Partly sunny then becoming sunny. Patchy fog
  early in the morning.
* Max temperature.....73-81.
* Min humidity........55-65 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph shifting to the
  west 10 to 15 mph in the afternoon.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. Northwest winds 5 to 15 mph. Lows in the upper
50s.
.SUNDAY...Mostly cloudy. Patchy fog. West winds 5 to 15 mph. Lows
in the mid to upper 50s. Highs in the 60s to upper 70s.
.MONDAY...Mostly cloudy. Patchy fog. West winds 5 to 15 mph. Lows
in the mid 50s. Highs in the upper 60s to mid 70s.
.TUESDAY...Mostly cloudy. Patchy fog. West winds 5 to 15 mph.
Lows in the mid 50s. Highs in the upper 60s to mid 70s.

$$

CAZ530-212200-
Southern Monterey Bay and Big Sur Coast-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Mostly cloudy then becoming mostly sunny.
  Patchy fog in the morning.
* Max temperature.....61-66 except Big Sur 69-74.
*    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........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....53-58.
*    24 hr trend......Little change.
* Max humidity........100 percent except Big Sur 80 percent.
*    24 hr trend......Little change.
* 20-foot winds.......West winds 10 to 15 mph shifting to the
  northwest 5 to 10 mph after midnight.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1200 ft asl.

.SATURDAY...
* Sky/weather.........Mostly sunny. Patchy fog early in the
  morning.
* Max temperature.....63-68 except Big Sur 71-76.
* Min humidity........80 percent except Big Sur 50 percent.
* 20-foot winds.......Northwest winds 10 to 15 mph.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. West winds 5 to 15 mph. Lows in the 50s to mid
60s.
.SUNDAY...Mostly cloudy. West winds 5 to 15 mph. Lows in the 50s
to mid 60s. Highs in the 60s to lower 70s.
.MONDAY...Mostly cloudy. Patchy fog. West winds 5 to 15 mph. Lows
in the 50s to lower 60s. Highs in the mid 60s to lower 70s.
.TUESDAY...Mostly cloudy. Patchy fog. West winds 5 to 15 mph.
Lows in the mid 50s to lower 60s. Highs in the mid 60s to lower
70s.

$$

CAZ528-212200-
Northern Salinas Valley...Hollister Valley...and Carmel Valley-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Partly sunny. Patchy fog in the morning.
* Max temperature.....71-79.
*    24 hr trend......Little change.
* Min humidity........50-60 percent.
*    24 hr trend......Little change.
* 20-foot winds.......Northwest winds 5 to 10 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly 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........1200 ft asl.

.SATURDAY...
* Sky/weather.........Partly sunny then becoming sunny. Patchy fog
  early in the morning.
* Max temperature.....74-82.
* 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...
.SATURDAY NIGHT...Mostly clear in the evening then becoming
partly cloudy. West winds 10 to 20 mph. Lows in the 50s.
.SUNDAY...Mostly cloudy. West winds 10 to 20 mph. Lows in the
50s. Highs in the 70s to lower 80s.
.MONDAY...Partly cloudy. West winds 10 to 20 mph. Lows in the
50s. Highs in the 70s.
.TUESDAY...Partly cloudy. Patchy fog. West winds 10 to 20 mph.
Lows in the 50s. Highs in the 70s.

$$

CAZ516-212200-
Southern Salinas Valley...Arroyo Seco...and Lake San Antonio-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Partly sunny.
* Max temperature.....86-94.
*    24 hr trend......4 degrees cooler.
* Min humidity........28-38 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........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....53-58.
*    24 hr trend......Little change.
* Max humidity........75-95 percent.
*    24 hr trend......10 percent wetter.
* 20-foot winds.......Northwest winds 10 to 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........None.

.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....86-94.
* Min humidity........35-45 percent.
* 20-foot winds.......Northwest winds 5 to 10 mph increasing to 10
  to 20 mph in the afternoon.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Northwest winds 10 to 20 mph.
Lows in the 50s.
.SUNDAY...Partly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s. Highs in the 80s to mid 90s.
.MONDAY...Partly cloudy. Patchy fog. Northwest winds 10 to
20 mph. Lows in the 50s. Highs in the mid 80s to lower 90s.
.TUESDAY...Partly cloudy. Northwest winds 10 to 20 mph. Lows in
the 50s. Highs in the mid 80s to lower 90s.

$$

CAZ517-212200-
Santa Lucia Mountains and Los Padres National Forest-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Mostly cloudy then becoming mostly sunny.
* Max temperature.....83-91.
*    24 hr trend......Little change.
* Min humidity........28-38 percent.
*    24 hr trend......5 percent drier.
* 20-foot winds.......
*     Valleys/lwr slopes...South winds up to 5 mph shifting to the
      northeast 5 to 10 mph in the afternoon.
*     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........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly cloudy. Patchy smoke in the evening.
* Min temperature.....54-64 except 64-71 above 2000 feet.
*    24 hr trend......Little change.
* Max humidity........50-70 percent except 30-40 percent above 2000
  feet.
*    24 hr trend......10 percent wetter.
* 20-foot winds.......
*     Valleys/lwr slopes...Northwest winds 5 to 10 mph.
*     Ridges/upr slopes....Northwest winds around 5 to 10 mph with
      gusts to 15 mph.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1200 ft asl.

.SATURDAY...
* 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
      increasing to 30 mph in the afternoon.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Northwest winds 5 to 15 mph. Lows
in the 60s to lower 70s.
.SUNDAY...Partly cloudy. Northwest winds 5 to 15 mph. Lows in the
60s to lower 70s. Highs in the upper 70s to mid 80s.
.MONDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in the
50s to upper 60s. Highs in the upper 70s to mid 80s.
.TUESDAY...Mostly clear. Northwest winds 5 to 15 mph. Lows in the
50s to upper 60s. Highs in the upper 70s to mid 80s.

$$

CAZ518-212200-
Mountains of San Benito and Interior Monterey County including
Pinnacles National Park-
255 AM PDT Fri Aug 21 2026

.TODAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....85-93.
*    24 hr trend......Little change.
* Min humidity........23-33 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 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........1500 ft asl.

.TONIGHT...
* Sky/weather.........Partly cloudy.
* Min temperature.....56-66.
*    24 hr trend......Little change.
* Max humidity........50-70 percent except 45-55 percent above 2000
  feet.
*    24 hr trend......40 percent wetter.
* 20-foot winds.......
*     Valleys/lwr slopes...Northwest winds 5 to 10 mph. Gusts up to 20
      mph in the evening.
*     Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 30
      mph decreasing to 20 mph after midnight.
* Chance of Thunder...0 percent.
* CWR.................0%.
* Marine layer........1200 ft asl.

.SATURDAY...
* Sky/weather.........Mostly sunny.
* Max temperature.....85-93.
* Min humidity........25-35 percent.
* 20-foot winds.......
*     Valleys/lwr slopes...Northwest winds 5 to 10 mph. Gusts up to 20
      mph in the afternoon.
*     Ridges/upr slopes....Northwest winds 5 to 10 mph. Gusts up to 30
      mph in the afternoon.
* CWR.................0%.


.EXTENDED...
.SATURDAY NIGHT...Mostly clear. Northwest winds 5 to 15 mph. Lows
in the 60s to lower 70s.
.SUNDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 60s
to lower 70s. Highs in the 70s to upper 80s.
.MONDAY...Partly cloudy. West winds 5 to 15 mph. Lows in the 50s
to upper 60s. Highs in the upper 70s to mid 80s.
.TUESDAY...Mostly clear. West winds 5 to 15 mph. Lows in the 50s
to upper 60s. Highs in the upper 70s to mid 80s.

$$


NOAA`S NWS on the web at www.weather.gov/sanfrancisco