248
FNUS56 KMTR 212032
FWFMTR
FIRE WEATHER PLANNING FORECAST FOR THE SAN FRANCISCO BAY AREA AND
CENTRAL CALIFORNIA COAST
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
132 PM PDT THU MAY 21 2026
...ELEVATED FIRE WEATHER CONCERNS ACROSS THE INTERIOR BAY AREA AND
CENTRAL COAST THROUGH FRIDAY DUE TO LOW HUMIDITIES...
DISCUSSION
A SHALLOW MARINE LAYER REMAINS IN PLACE RESULTING IN
COOLER AND MORE HUMID CONDITIONS NEAR THE COAST. AREAS ACROSS THE
INTERIOR AND HIGHER TERRAIN WILL REMAIN VERY DRY THROUGH FRIDAY.
ADDITIONALLY, AN AFTERNOON ONSHORE PUSH OF STRONGER WINDS WILL
IMPACT INLAND VALLEYS AND PASSES. THE MEMORIAL DAY WEEKEND WILL
FEATURE MORE WIDESPREAD COOLING AND A DEEPENING MARINE LAYER WITH
NIGHT AND MORNING LOW CLOUDS AND FOG.
NOTE : ALL WINDS ARE 20-FOOT WINDS UNLESS OTHERWISE SPECIFIED.
THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS.
CAZ505-220845-
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....44-49.
* 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........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....59-67.
* 24 HR TREND......11 DEGREES COOLER.
* MIN HUMIDITY........70-80 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG IN THE LATE EVENING AND OVERNIGHT.
* MIN TEMPERATURE.....46-51.
* MAX HUMIDITY........100 PERCENT.
* 20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
PATCHY FOG EARLY IN THE MORNING.
* MAX TEMPERATURE.....58-66.
* MIN HUMIDITY........80-90 PERCENT.
* 20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. PATCHY FOG. SOUTH WINDS 5 TO 15 MPH. LOWS NEAR 50.
SUNDAY
MOSTLY CLOUDY. PATCHY FOG. SOUTHWEST WINDS 5 TO 15 MPH.
LOWS IN THE MID 40S TO LOWER 50S. HIGHS IN THE 50S TO MID 60S.
MEMORIAL DAY
MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN
THE MID 40S TO LOWER 50S. HIGHS IN THE UPPER 50S TO MID 60S.
TUESDAY
MOSTLY CLEAR. NORTHWEST WINDS 15 TO 25 MPH. LOWS NEAR
50. HIGHS IN THE UPPER 50S TO MID 60S.
CAZ503-220845-
SONOMA COASTAL RANGE-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....50-57.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........60-80 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....WEST WINDS UP TO 5 MPH IN THE EVENING
BECOMING LIGHT WINDS.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........SUNNY.
* MAX TEMPERATURE.....72-80.
* 24 HR TREND......5 DEGREES COOLER.
* MIN HUMIDITY........45-55 PERCENT.
* 24 HR TREND......20 PERCENT WETTER.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....50-55.
* MAX HUMIDITY........80-90 PERCENT.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY.
* MAX TEMPERATURE.....67-75.
* MIN HUMIDITY........55-65 PERCENT.
* 20-FOOT WINDS.......
* RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. SOUTH WINDS 5 TO 15 MPH. LOWS IN THE UPPER 40S TO
MID 50S.
SUNDAY
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
UPPER 40S TO MID 50S. HIGHS IN THE 60S TO LOWER 70S.
MEMORIAL DAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN
THE UPPER 40S TO MID 50S. HIGHS IN THE MID 60S TO LOWER 70S.
TUESDAY
MOSTLY CLEAR. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE 40S TO UPPER 50S. HIGHS IN THE 60S TO MID 70S.
CAZ502-220845-
MARIN COASTAL RANGE-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....44-49.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90-100 PERCENT EXCEPT 70-80 PERCENT ABOVE
2000 FEET.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 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.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....64-69 EXCEPT 58-63 ABOVE 2000 FEET.
* 24 HR TREND......8 DEGREES COOLER.
* MIN HUMIDITY........55-65 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.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....47-52.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 10 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....60-68.
* MIN HUMIDITY........70-80 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTH WINDS 10 TO 15 MPH AND GUSTS TO AROUND
20 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE LOWER
50S.
SUNDAY
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS NEAR
50. HIGHS IN THE UPPER 50S TO MID 60S.
MEMORIAL DAY
MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS
AROUND 50. HIGHS IN THE UPPER 50S TO MID 60S.
TUESDAY
MOSTLY CLEAR. WEST WINDS 10 TO 20 MPH. LOWS IN THE
LOWER 50S. HIGHS IN THE 60S TO LOWER 70S.
CAZ506-220845-
NORTH BAY INTERIOR VALLEYS-
132 PM PDT THU MAY 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........80-100 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........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....74-82.
* 24 HR TREND......6 DEGREES COOLER.
* 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........1000 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....47-52.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY. PATCHY FOG
EARLY IN THE MORNING.
* MAX TEMPERATURE.....69-77.
* MIN HUMIDITY........55-65 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
PARTLY CLOUDY. PATCHY FOG. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN
THE UPPER 40S TO MID 50S.
SUNDAY
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
40S TO MID 50S. HIGHS IN THE UPPER 60S TO MID 70S.
MEMORIAL DAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN
THE MID 40S TO LOWER 50S. HIGHS IN THE 60S TO MID 70S.
TUESDAY
MOSTLY CLEAR. WEST WINDS 10 TO 20 MPH. LOWS IN THE 40S
TO MID 50S. HIGHS IN THE UPPER 60S TO MID 70S.
CAZ504-220845-
NORTH BAY INTERIOR MOUNTAINS-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....52-60.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........60-70 PERCENT EXCEPT 43-53 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......20 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. GUSTS UP TO 20 MPH
IN THE EVENING.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....78-86.
* 24 HR TREND......7 DEGREES COOLER.
* MIN HUMIDITY........25-35 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH 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........1000 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....50-55.
* MAX HUMIDITY........75-95 PERCENT.
* 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 WITH GUSTS TO 20
MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....71-79.
* MIN HUMIDITY........35-45 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. SOUTHWEST WINDS 5 TO 15 MPH. LOWS
IN THE 40S TO MID 50S.
SUNDAY
MOSTLY CLEAR. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
40S TO MID 50S. HIGHS IN THE UPPER 60S TO MID 70S.
MEMORIAL DAY
MOSTLY CLEAR. SOUTHWEST WINDS 10 TO 20 MPH. LOWS
IN THE MID 40S TO LOWER 50S. HIGHS IN THE MID 60S TO LOWER 70S.
TUESDAY
MOSTLY CLEAR. WEST WINDS 10 TO 20 MPH. LOWS IN THE 40S
TO UPPER 50S. HIGHS IN THE 60S TO MID 70S.
CAZ006-220845-
SAN FRANCISCO-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....47-52.
* 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........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....59-67.
* 24 HR TREND......LITTLE CHANGE.
* 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.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....50-55.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....61-69.
* MIN HUMIDITY........75-85 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. SOUTHWEST WINDS 10 TO 20 MPH. LOWS IN THE LOWER
50S.
SUNDAY
PARTLY CLOUDY. SOUTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE LOWER TO MID 50S. HIGHS IN THE UPPER 50S TO MID 60S.
MEMORIAL DAY
MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN
THE LOWER 50S. HIGHS NEAR 60.
TUESDAY
PARTLY CLOUDY. WEST WINDS 15 TO 25 MPH. LOWS IN THE
LOWER 50S. HIGHS IN THE UPPER 50S TO MID 60S.
CAZ509-220845-
SAN FRANCISCO PENINSULA COAST-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....44-49.
* 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.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....60-68.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........70-80 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........1000 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.....46-51.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....61-67.
* MIN HUMIDITY........70-80 PERCENT.
* 20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. PATCHY FOG. SOUTHWEST WINDS 5 TO 15 MPH. LOWS
AROUND 50.
SUNDAY
MOSTLY CLOUDY. AREAS OF FOG. SOUTHWEST WINDS 5 TO
15 MPH. LOWS NEAR 50. HIGHS IN THE UPPER 50S TO MID 60S.
MEMORIAL DAY
MOSTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO
15 MPH. LOWS NEAR 50. HIGHS NEAR 60.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. NORTHWEST WINDS
10 TO 20 MPH. LOWS IN THE MID 40S TO LOWER 50S. HIGHS IN THE MID
50S TO LOWER 60S.
CAZ508-220845-
SAN FRANCISCO BAY SHORELINE-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....48-53.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........80-90 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....70-78.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........45-55 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....49-54.
* MAX HUMIDITY........90 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....70-78.
* MIN HUMIDITY........55-65 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST 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 LOWER TO MID
50S.
SUNDAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN THE
UPPER 40S TO MID 50S. HIGHS IN THE MID 60S TO LOWER 70S.
MEMORIAL DAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN
THE UPPER 40S TO MID 50S. HIGHS IN THE 60S TO LOWER 70S.
TUESDAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
UPPER 40S TO MID 50S. HIGHS IN THE 60S.
CAZ510-220845-
EAST BAY INTERIOR VALLEYS-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....50-58.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........65-85 PERCENT.
* 24 HR TREND......20 PERCENT WETTER.
* 20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....78-86.
* 24 HR TREND......5 DEGREES COOLER.
* MIN HUMIDITY........30-40 PERCENT.
* 24 HR TREND......5 PERCENT WETTER.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....51-56.
* MAX HUMIDITY........70-90 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....74-82.
* MIN HUMIDITY........40-50 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. WEST WINDS 10 TO 20 MPH. LOWS IN
THE 50S.
SUNDAY
MOSTLY CLEAR. WEST WINDS 10 TO 20 MPH. LOWS IN THE 40S
TO UPPER 50S. HIGHS IN THE 70S.
MEMORIAL DAY
PARTLY CLOUDY. SOUTHWEST WINDS 15 TO 25 MPH. LOWS
IN THE UPPER 40S TO MID 50S. HIGHS IN THE UPPER 60S TO MID 70S.
TUESDAY
MOSTLY CLEAR. SOUTHWEST WINDS 15 TO 25 MPH. LOWS IN
THE 40S TO UPPER 50S. HIGHS IN THE 60S TO UPPER 70S.
CAZ513-220845-
SANTA CLARA VALLEY...INCLUDING SAN JOSE-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....50-55.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........70-90 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.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....78-86.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........30-40 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......SOUTHWEST 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........1000 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....47-52.
* MAX HUMIDITY........80-90 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH SHIFTING TO THE
SOUTH UP TO 5 MPH AFTER MIDNIGHT.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....76-83.
* MIN HUMIDITY........40-50 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
CLEAR IN THE EVENING THEN BECOMING PARTLY
CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE UPPER 40S TO MID
50S.
SUNDAY
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
UPPER 40S TO MID 50S. HIGHS IN THE 70S TO LOWER 80S.
MEMORIAL DAY
PARTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO
15 MPH. LOWS NEAR 50. HIGHS IN THE 70S.
TUESDAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
MID 40S TO LOWER 50S. HIGHS IN THE UPPER 60S TO MID 70S.
CAZ512-220845-
SANTA CRUZ MOUNTAINS-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....48-58.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........70-90 PERCENT EXCEPT 55-75 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......30 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...NORTHWEST 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.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....70-78.
* 24 HR TREND......8 DEGREES COOLER.
* 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. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....48-53.
* MAX HUMIDITY........80-90 PERCENT EXCEPT 65-85 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
IN THE EVENING.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....66-74.
* MIN HUMIDITY........55-65 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 10 MPH.
* RIDGES/UPR SLOPES....SOUTH 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
MOSTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE UPPER 40S
TO MID 50S.
SUNDAY
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
40S TO MID 50S. HIGHS IN THE MID 60S TO LOWER 70S.
MEMORIAL DAY
PARTLY CLOUDY. WEST WINDS 5 TO 15 MPH. LOWS IN
THE MID 40S TO LOWER 50S. HIGHS IN THE 60S.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. WEST WINDS 5 TO
15 MPH. LOWS IN THE MID 40S TO LOWER 50S. HIGHS IN THE 60S TO
LOWER 70S.
CAZ515-220845-
EAST BAY HILLS-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....50-60.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........50-70 PERCENT EXCEPT 33-43 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 30
MPH DECREASING TO 20 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 30
MPH DECREASING TO 20 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....71-79 EXCEPT 77-84 ABOVE 2000 FEET.
* 24 HR TREND......4 DEGREES COOLER.
* MIN HUMIDITY........35-45 PERCENT EXCEPT 20-30 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 25
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 25
MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....50-57.
* MAX HUMIDITY........60-80 PERCENT EXCEPT 48-58 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....74-82.
* MIN HUMIDITY........45-55 PERCENT EXCEPT 30-40 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 10 TO 15 MPH WITH GUSTS 20 TO 30
MPH.
* RIDGES/UPR SLOPES....WEST WINDS 10 TO 15 MPH WITH GUSTS 20 TO 30
MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. WEST WINDS 10 TO 20 MPH. LOWS IN
THE 40S TO MID 50S.
SUNDAY
MOSTLY CLEAR. WEST WINDS 10 TO 20 MPH. LOWS IN THE 40S
TO MID 50S. HIGHS IN THE UPPER 60S TO MID 70S.
MEMORIAL DAY
MOSTLY CLEAR. WEST WINDS 15 TO 25 MPH. LOWS IN
THE 40S TO LOWER 50S. HIGHS IN THE 60S TO MID 70S.
TUESDAY
MOSTLY CLEAR. SOUTHWEST WINDS 15 TO 25 MPH. LOWS IN
THE 40S TO MID 50S. HIGHS IN THE 60S TO LOWER 70S.
CAZ514-220845-
EASTERN SANTA CLARA HILLS-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....48-57.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........45 PERCENT EXCEPT 30-40 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......15 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING DOWNVALLEY 2 TO 6 MPH.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
FRIDAY
* SKY/WEATHER.........SUNNY.
* MAX TEMPERATURE.....77-85.
* 24 HR TREND......4 DEGREES COOLER.
* 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....SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 25
MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....46-54.
* MAX HUMIDITY........60 PERCENT EXCEPT 45-50 PERCENT ABOVE 2000
FEET.
* 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 WITH GUSTS TO 20
MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....74-82.
* MIN HUMIDITY........25-35 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...UPVALLEY 3 TO 7 MPH BECOMING SOUTHWEST 5 TO
10 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 25
MPH IN THE AFTERNOON.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. SOUTHWEST WINDS 5 TO 15 MPH. LOWS
IN THE 40S TO MID 50S.
SUNDAY
MOSTLY CLEAR. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE
40S TO MID 50S. HIGHS IN THE 70S.
MEMORIAL DAY
MOSTLY CLEAR. WEST WINDS 10 TO 20 MPH. LOWS IN
THE 40S TO LOWER 50S. HIGHS IN THE UPPER 60S TO MID 70S.
TUESDAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
40S TO LOWER 50S. HIGHS IN THE 60S TO LOWER 70S.
CAZ529-220845-
NORTHERN MONTEREY BAY-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....45-50.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90-100 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH IN THE EVENING
BECOMING LIGHT WINDS.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....63-71.
* 24 HR TREND......7 DEGREES COOLER.
* MIN HUMIDITY........55-65 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG IN THE EVENING, THEN AREAS OF FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....46-51.
* MAX HUMIDITY........100 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING LIGHT WINDS.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
AREAS OF FOG EARLY IN THE MORNING, THEN PATCHY FOG EARLY IN THE
MORNING.
* MAX TEMPERATURE.....63-69.
* MIN HUMIDITY........65-75 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. AREAS OF FOG. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN
THE LOWER 50S.
SUNDAY
PARTLY CLOUDY. AREAS OF FOG. SOUTHWEST WINDS 5 TO
15 MPH. LOWS NEAR 50. HIGHS IN THE 60S TO LOWER 70S.
MEMORIAL DAY
PARTLY CLOUDY. AREAS OF FOG. WEST WINDS 5 TO
15 MPH. LOWS IN THE UPPER 40S. HIGHS IN THE 60S TO LOWER 70S.
TUESDAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
MID 40S TO LOWER 50S. HIGHS IN THE 60S TO LOWER 70S.
CAZ530-220845-
SOUTHERN MONTEREY BAY AND BIG SUR COAST-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....47-52.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........90 PERCENT EXCEPT BIG SUR 60 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.....61-69.
* 24 HR TREND......4 DEGREES COOLER.
* MIN HUMIDITY........70 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........1000 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.....46-51.
* MAX HUMIDITY........90 PERCENT EXCEPT BIG SUR 80 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTHEAST UP TO 5 MPH AFTER MIDNIGHT.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY. PATCHY FOG
EARLY IN THE MORNING.
* MAX TEMPERATURE.....62-70.
* MIN HUMIDITY........70 PERCENT EXCEPT BIG SUR 60 PERCENT.
* 20-FOOT WINDS.......SOUTH WINDS UP TO 5 MPH SHIFTING TO THE WEST
10 TO 15 MPH IN THE AFTERNOON.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. PATCHY FOG. SOUTHWEST WINDS 5 TO 15 MPH. LOWS NEAR
50.
SUNDAY
PARTLY CLOUDY. PATCHY FOG. WEST WINDS 5 TO 15 MPH. LOWS
IN THE MID 40S TO LOWER 50S. HIGHS IN THE 50S TO UPPER 60S.
MEMORIAL DAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN
THE MID 40S TO LOWER 50S. HIGHS IN THE 50S TO UPPER 60S.
TUESDAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
MID 40S TO LOWER 50S. HIGHS IN THE UPPER 50S TO MID 60S.
CAZ528-220845-
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....46-51.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........70-90 PERCENT.
* 24 HR TREND......30 PERCENT WETTER.
* 20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....70-78.
* 24 HR TREND......6 DEGREES COOLER.
* MIN HUMIDITY........40-50 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 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.
FRIDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG EARLY IN THE
MORNING.
* MIN TEMPERATURE.....47-52.
* MAX HUMIDITY........80-100 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 10 TO 20 MPH BECOMING SOUTHWEST UP
TO 5 MPH AFTER MIDNIGHT.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG EARLY IN THE
MORNING.
* MAX TEMPERATURE.....72-80.
* MIN HUMIDITY........50-60 PERCENT.
* 20-FOOT WINDS.......SOUTHWEST WINDS UP TO 5 MPH INCREASING TO
WEST 10 TO 15 MPH IN THE AFTERNOON.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR IN THE EVENING THEN BECOMING
MOSTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE UPPER 40S TO
MID 50S.
SUNDAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
UPPER 40S TO MID 50S. HIGHS IN THE 60S TO UPPER 70S.
MEMORIAL DAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS NEAR
50. HIGHS IN THE 60S TO MID 70S.
TUESDAY
PARTLY CLOUDY. WEST WINDS 10 TO 20 MPH. LOWS IN THE
MID 40S TO LOWER 50S. HIGHS IN THE 60S.
CAZ516-220845-
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....46-51.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........70-80 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........NONE.
FRIDAY
* SKY/WEATHER.........SUNNY.
* MAX TEMPERATURE.....81-89.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........20-30 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......NORTHWEST WINDS UP TO 5 MPH INCREASING TO
WEST 10 TO 15 MPH IN THE AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........NONE.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. PATCHY FOG EARLY IN THE
MORNING.
* MIN TEMPERATURE.....45-50.
* MAX HUMIDITY........90-100 PERCENT.
* 20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH SHIFTING TO THE SOUTH
UP TO 5 MPH AFTER MIDNIGHT.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........SUNNY. PATCHY FOG EARLY IN THE MORNING.
* MAX TEMPERATURE.....79-84.
* MIN HUMIDITY........30-40 PERCENT.
* 20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. PATCHY FOG. SOUTHWEST WINDS 5 TO
15 MPH. LOWS IN THE 40S TO LOWER 50S.
SUNDAY
MOSTLY CLEAR. PATCHY FOG. SOUTHWEST WINDS 10 TO 20 MPH.
LOWS IN THE 40S TO LOWER 50S. HIGHS IN THE MID 70S TO LOWER 80S.
MEMORIAL DAY
MOSTLY CLEAR. PATCHY FOG. NORTHWEST WINDS 10 TO
20 MPH. LOWS IN THE 40S. HIGHS IN THE MID 70S TO LOWER 80S.
TUESDAY
PARTLY CLOUDY. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE 40S. HIGHS IN THE UPPER 60S TO MID 70S.
CAZ517-220845-
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....48-57 EXCEPT 54-59 ABOVE 2000 FEET.
* 24 HR TREND......12 DEGREES COOLER.
* MAX HUMIDITY........45-55 PERCENT EXCEPT 35-45 PERCENT ABOVE 2000
FEET.
* 24 HR TREND......5 PERCENT DRIER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...WEST 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........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....74-82.
* 24 HR TREND......5 DEGREES WARMER.
* MIN HUMIDITY........30-40 PERCENT.
* 24 HR TREND......10 PERCENT WETTER.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
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........1000 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....45-53.
* MAX HUMIDITY........50-70 PERCENT EXCEPT 45-55 PERCENT ABOVE 2000
FEET.
* 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. GUSTS UP TO 20
MPH IN THE EVENING.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....70-78.
* MIN HUMIDITY........30-40 PERCENT EXCEPT 40-50 PERCENT ABOVE 2000
FEET.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTH 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 IN THE EVENING THEN BECOMING
PARTLY CLOUDY. SOUTHWEST WINDS 5 TO 15 MPH. LOWS IN THE 40S TO
MID 50S.
SUNDAY
MOSTLY CLEAR. WEST WINDS 5 TO 15 MPH. LOWS IN THE 40S
TO MID 50S. HIGHS IN THE 60S TO MID 70S.
MEMORIAL DAY
MOSTLY CLEAR. NORTHWEST WINDS 5 TO 15 MPH. LOWS
IN THE 40S TO LOWER 50S. HIGHS IN THE MID 60S TO LOWER 70S.
TUESDAY
MOSTLY CLEAR. NORTHWEST WINDS 10 TO 20 MPH. LOWS IN
THE 40S TO LOWER 50S. HIGHS IN THE 60S TO LOWER 70S.
CAZ518-220845-
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING
PINNACLES NATIONAL PARK-
132 PM PDT THU MAY 21 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....49-59.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY........45-55 PERCENT.
* 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 30
MPH DECREASING TO 20 MPH AFTER MIDNIGHT.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....80-88.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY........18-28 PERCENT.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS UP TO 5 MPH INCREASING TO
WEST 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
* CHANCE OF THUNDER...0 PERCENT.
* CWR.................0%.
* MARINE LAYER........1000 FT ASL.
FRIDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.....46-56.
* MAX HUMIDITY........58-78 PERCENT.
* 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 15 MPH WITH GUSTS TO 20
MPH.
* CWR.................0%.
SATURDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....78-86.
* MIN HUMIDITY........30-40 PERCENT.
* 20-FOOT WINDS.......
* VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES....SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 25
MPH IN THE AFTERNOON.
* CWR.................0%.
EXTENDED
SATURDAY NIGHT
MOSTLY CLEAR. WEST WINDS 5 TO 15 MPH. LOWS IN
THE 40S TO MID 50S.
SUNDAY
MOSTLY CLEAR. WEST WINDS 10 TO 20 MPH. LOWS IN THE 40S
TO MID 50S. HIGHS IN THE 70S.
MEMORIAL DAY
MOSTLY CLEAR. WEST WINDS 10 TO 20 MPH. LOWS IN
THE 40S TO MID 50S. HIGHS IN THE 70S.
TUESDAY
MOSTLY CLEAR. WEST WINDS 10 TO 20 MPH. LOWS IN THE 40S
TO LOWER 50S. HIGHS IN THE 60S TO LOWER 70S.
NOAA'S NWS ON THE WEB AT WWW.WEATHER.GOV/SANFRANCISCO
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page