258  
FPUS56 KMTR 180102  
ZFPMTR  
 
SAN FRANCISCO BAY AREA/CENTRAL CALIFORNIA ZONE FORECAST  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
501 PM PST WED DEC 17 2025  
 
THIS IS AN AUTOMATICALLY GENERATED PRODUCT THAT PROVIDES AVERAGE  
VALUES FOR LARGE GEOGRAPHIC AREAS. FOR A MORE SITE SPECIFIC  
FORECAST...PLEASE VISIT WEATHER.GOV/SANFRANCISCO  
(1) SELECT A LOCATION FROM THE DROP DOWN MENU ABOVE THE MAP...  
-- OR --  
(2) CLICK A LOCATION ON THE MAP.  
 
YOU CAN REFINE YOUR SELECTION BY CLICKING ON THE MAP DISPLAYED ON  
THE RESULTING PAGE.  
 
CAZ505-181700-  
COASTAL NORTH BAY...INCLUDING POINT REYES NATIONAL SEASHORE-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. PATCHY DENSE FOG IN THE EVENING. AREAS OF DENSE FOG AFTER  
MIDNIGHT. PATCHY DRIZZLE. LOWS IN THE MID 40S. NORTHWEST WINDS  
AROUND 5 MPH.    
THURSDAY  
MOSTLY CLOUDY. PATCHY FOG AND DRIZZLE IN THE MORNING.  
A CHANCE OF RAIN. HIGHS IN THE UPPER 50S. EAST WINDS AROUND  
5 MPH...BECOMING WEST IN THE AFTERNOON.    
THURSDAY NIGHT  
AREAS OF FOG IN THE EVENING. RAIN. LOWS IN THE  
LOWER 50S. LIGHT WINDS...BECOMING SOUTHWEST AROUND 5 MPH AFTER  
MIDNIGHT.    
FRIDAY  
RAIN. HIGHS IN THE UPPER 50S. SOUTH WINDS 5 TO 15 MPH.    
FRIDAY NIGHT  
RAIN IN THE EVENING, THEN A CHANCE OF RAIN AFTER  
MIDNIGHT. LOWS IN THE LOWER 50S. WEST WINDS 5 TO 10 MPH.    
SATURDAY  
RAIN LIKELY. HIGHS IN THE MID 50S.    
SATURDAY NIGHT AND SUNDAY  
SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 50S.    
SUNDAY NIGHT  
RAIN. LOWS AROUND 50.    
MONDAY THROUGH TUESDAY  
RAIN LIKELY. HIGHS IN THE MID 50S. LOWS  
IN THE MID 40S.    
TUESDAY NIGHT  
RAIN. LOWS IN THE UPPER 40S.    
WEDNESDAY  
RAIN LIKELY. HIGHS IN THE MID 50S.  
 
 
TEMPERATURE / PRECIPITATION  
 
POINT REYES 45 57 50 58 / 10 70 70 90  
 
 
 
CAZ503-181700-  
SONOMA COASTAL RANGE-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. PATCHY DENSE FOG. LOWS IN THE UPPER 40S. LIGHT WINDS.    
THURSDAY  
A CHANCE OF RAIN IN THE MORNING, THEN RAIN IN THE  
AFTERNOON. HIGHS AROUND 60. LIGHT WINDS.    
THURSDAY NIGHT  
AREAS OF FOG. RAIN. LOWS IN THE LOWER 50S.  
LIGHT WINDS.    
FRIDAY  
AREAS OF FOG IN THE MORNING. RAIN. HIGHS AROUND 60.  
SOUTH WINDS AROUND 5 MPH.    
FRIDAY NIGHT  
PATCHY FOG. RAIN IN THE EVENING. A CHANCE OF RAIN  
AFTER MIDNIGHT. LOWS AROUND 50. LIGHT WINDS.    
SATURDAY  
PATCHY FOG. SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS AROUND 60.    
SATURDAY NIGHT  
PATCHY FOG. SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S.    
SUNDAY  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE LOWER 60S.    
SUNDAY NIGHT  
RAIN. LOWS IN THE UPPER 40S.    
MONDAY THROUGH TUESDAY  
RAIN LIKELY. HIGHS IN THE UPPER 50S.  
LOWS IN THE MID 40S.    
TUESDAY NIGHT  
RAIN. LOWS IN THE UPPER 40S.    
WEDNESDAY  
RAIN LIKELY. HIGHS IN THE UPPER 50S.  
 
 
 
CAZ502-181700-  
MARIN COASTAL RANGE-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. PATCHY DENSE FOG AFTER MIDNIGHT. LOWS IN THE MID 40S.  
NORTHWEST WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY CLOUDY. AREAS OF FOG IN THE MORNING. A CHANCE  
OF RAIN IN THE AFTERNOON. HIGHS IN THE MID 50S. LIGHT WINDS.    
THURSDAY NIGHT  
RAIN LIKELY. LOWS AROUND 50. SOUTHWEST WINDS  
5 TO 10 MPH.    
FRIDAY  
RAIN. HIGHS IN THE MID 50S. SOUTH WINDS 10 TO 15 MPH.    
FRIDAY NIGHT  
RAIN IN THE EVENING, THEN RAIN LIKELY AFTER  
MIDNIGHT. LOWS IN THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY  
RAIN. HIGHS IN THE MID 50S.    
SATURDAY NIGHT AND SUNDAY  
SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 50S.    
SUNDAY NIGHT  
RAIN. LOWS AROUND 50.    
MONDAY  
RAIN LIKELY. HIGHS IN THE LOWER 50S.    
MONDAY NIGHT  
RAIN LIKELY. LOWS IN THE MID 40S.    
TUESDAY  
RAIN LIKELY. HIGHS IN THE LOWER 50S.    
TUESDAY NIGHT  
RAIN. LOWS IN THE UPPER 40S.    
WEDNESDAY  
RAIN LIKELY. HIGHS IN THE LOWER 50S.  
 
 
 
CAZ506-181700-  
NORTH BAY INTERIOR VALLEYS-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. WIDESPREAD DENSE FOG. LOWS IN THE 40S. WEST WINDS UP TO  
5 MPH IN THE EVENING...BECOMING LIGHT.    
THURSDAY  
MOSTLY CLOUDY. WIDESPREAD FOG IN THE MORNING, THEN  
PATCHY FOG IN THE AFTERNOON. A CHANCE OF RAIN IN THE AFTERNOON.  
HIGHS IN THE 50S. SOUTH WINDS UP TO 5 MPH...BECOMING SOUTHWEST  
AROUND 5 MPH IN THE AFTERNOON.    
THURSDAY NIGHT  
AREAS OF FOG. A CHANCE OF RAIN IN THE EVENING.  
RAIN LIKELY AFTER MIDNIGHT. LOWS NEAR 50. SOUTHWEST WINDS UP TO  
5 MPH.    
FRIDAY  
RAIN. HIGHS IN THE MID TO UPPER 50S. SOUTH WINDS 10 TO  
20 MPH.    
FRIDAY NIGHT  
RAIN IN THE EVENING, THEN A CHANCE OF RAIN AFTER  
MIDNIGHT. AREAS OF FOG AFTER MIDNIGHT. LOWS IN THE 40S TO MID  
50S. SOUTHWEST WINDS 5 TO 15 MPH.    
SATURDAY  
PATCHY FOG. RAIN LIKELY. HIGHS IN THE 50S.    
SATURDAY NIGHT  
PATCHY FOG. SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 40S TO MID 50S.    
SUNDAY  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE 50S.    
SUNDAY NIGHT  
RAIN. LOWS IN THE MID 40S TO LOWER 50S.    
MONDAY  
RAIN LIKELY. HIGHS IN THE 50S.    
MONDAY NIGHT  
PATCHY FOG. RAIN LIKELY. LOWS IN THE 40S.    
TUESDAY  
RAIN LIKELY. HIGHS IN THE UPPER 40S TO MID 50S.    
TUESDAY NIGHT  
RAIN. LOWS IN THE 40S TO LOWER 50S.    
WEDNESDAY  
RAIN LIKELY. HIGHS IN THE UPPER 40S TO MID 50S.  
 
 
TEMPERATURE / PRECIPITATION  
 
SANTA ROSA 43 57 49 56 / 10 60 70 90  
SAN RAFAEL 47 58 51 58 / 10 50 60 90  
NAPA 45 57 49 56 / 10 30 50 80  
 
 
 
CAZ504-181700-  
NORTH BAY INTERIOR MOUNTAINS-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. PATCHY FOG IN THE EVENING. AREAS OF DENSE FOG AFTER  
MIDNIGHT. LOWS IN THE UPPER 40S. NORTH WINDS AROUND 5 MPH IN THE  
EVENING...BECOMING LIGHT.    
THURSDAY  
MOSTLY CLOUDY. WIDESPREAD DENSE FOG IN THE MORNING. A  
CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE 50S. WEST WINDS UP  
TO 5 MPH.    
THURSDAY NIGHT  
A CHANCE OF RAIN IN THE EVENING, THEN RAIN  
LIKELY AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. LOWS AROUND 50.  
SOUTHWEST WINDS AROUND 5 MPH.    
FRIDAY  
RAIN LIKELY IN THE MORNING, THEN RAIN IN THE AFTERNOON.  
HIGHS IN THE UPPER 50S. SOUTH WINDS 5 TO 10 MPH WITH GUSTS TO  
AROUND 25 MPH.    
FRIDAY NIGHT  
RAIN IN THE EVENING, THEN A CHANCE OF RAIN AFTER  
MIDNIGHT. LOWS IN THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY  
RAIN. HIGHS IN THE MID 50S.    
SATURDAY NIGHT  
RAIN. LOWS IN THE LOWER 50S.    
SUNDAY  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE UPPER 50S.    
SUNDAY NIGHT  
RAIN. LOWS IN THE LOWER 50S.    
MONDAY THROUGH TUESDAY  
RAIN LIKELY. HIGHS IN THE LOWER 50S.  
LOWS IN THE MID TO UPPER 40S.    
TUESDAY NIGHT  
RAIN. LOWS IN THE UPPER 40S.    
WEDNESDAY  
RAIN LIKELY. HIGHS IN THE LOWER 50S.  
 
 
TEMPERATURE / PRECIPITATION  
 
LAKE BERRYESSA 48 57 50 58 / 10 30 60 90  
 
 
 
CAZ006-181700-  
SAN FRANCISCO-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. PATCHY DENSE FOG. PATCHY DRIZZLE. LOWS IN THE UPPER 40S.  
WEST WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY CLOUDY. PATCHY FOG AND DRIZZLE IN THE MORNING.  
A CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE MID 50S TO LOWER  
60S. EAST WINDS AROUND 5 MPH...BECOMING WEST IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE  
LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY  
RAIN. HIGHS IN THE MID 50S TO LOWER 60S. SOUTH WINDS  
10 TO 20 MPH.    
FRIDAY NIGHT  
RAIN IN THE EVENING, THEN RAIN LIKELY AFTER  
MIDNIGHT. LOWS IN THE MID 50S. SOUTHWEST WINDS 5 TO 15 MPH.    
SATURDAY  
RAIN. HIGHS IN THE UPPER 50S.    
SATURDAY NIGHT AND SUNDAY  
SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 50S.    
SUNDAY NIGHT  
RAIN. LOWS IN THE LOWER 50S.    
MONDAY  
RAIN. HIGHS IN THE UPPER 50S.    
MONDAY NIGHT AND TUESDAY  
RAIN LIKELY. LOWS AROUND 50. HIGHS IN  
THE MID 50S.    
TUESDAY NIGHT  
RAIN. LOWS IN THE LOWER 50S.    
WEDNESDAY  
RAIN. HIGHS IN THE MID 50S.  
 
 
TEMPERATURE / PRECIPITATION  
 
SAN FRANCISCO 48 58 51 59 / 10 40 50 90  
OCEAN BEACH 48 58 51 60 / 10 50 60 90  
 
 
 
CAZ509-181700-  
SAN FRANCISCO PENINSULA COAST-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY. PATCHY DENSE FOG IN THE EVENING. AREAS  
OF DENSE FOG AFTER MIDNIGHT. PATCHY DRIZZLE. LOWS IN THE UPPER  
40S. NORTH WINDS AROUND 5 MPH.    
THURSDAY  
PARTLY CLOUDY. AREAS OF DENSE FOG IN THE MORNING.  
PATCHY DRIZZLE IN THE MORNING. A CHANCE OF RAIN IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. LIGHT WINDS...BECOMING NORTHWEST AROUND  
5 MPH IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF RAIN. AREAS OF FOG  
AFTER MIDNIGHT. LOWS IN THE LOWER 50S. LIGHT WINDS...BECOMING  
SOUTHWEST AROUND 5 MPH AFTER MIDNIGHT.    
FRIDAY  
A CHANCE OF RAIN IN THE MORNING, THEN RAIN IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S. SOUTH WINDS 5 TO 15 MPH.    
FRIDAY NIGHT  
RAIN IN THE EVENING, THEN RAIN LIKELY AFTER  
MIDNIGHT. LOWS IN THE LOWER 50S. SOUTH WINDS 5 TO 10 MPH.    
SATURDAY  
RAIN LIKELY. HIGHS IN THE LOWER 60S.    
SATURDAY NIGHT AND SUNDAY  
SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S.    
SUNDAY NIGHT  
RAIN. LOWS IN THE LOWER 50S.    
MONDAY  
RAIN LIKELY. HIGHS IN THE LOWER 60S.    
MONDAY NIGHT  
RAIN LIKELY. LOWS AROUND 50.    
TUESDAY  
RAIN LIKELY. HIGHS AROUND 60.    
TUESDAY NIGHT  
RAIN. LOWS IN THE UPPER 40S.    
WEDNESDAY  
RAIN. HIGHS AROUND 60.  
 
 
 
CAZ508-181700-  
SAN FRANCISCO BAY SHORELINE-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. PATCHY FOG IN THE EVENING, THEN AREAS OF DENSE FOG AFTER  
MIDNIGHT. LOWS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH...  
BECOMING SOUTHEAST AFTER MIDNIGHT.    
THURSDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. AREAS OF FOG IN THE MORNING. A CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS AROUND 60. LIGHT WINDS.    
THURSDAY NIGHT  
MOSTLY CLOUDY. PATCHY FOG. A CHANCE OF RAIN.  
LOWS AROUND 50. SOUTHWEST WINDS UP TO 5 MPH...BECOMING SOUTH  
AROUND 5 MPH AFTER MIDNIGHT.    
FRIDAY  
PATCHY FOG IN THE MORNING. A CHANCE OF RAIN IN THE  
MORNING, THEN RAIN IN THE AFTERNOON. HIGHS IN THE LOWER 60S.  
SOUTH WINDS 5 TO 10 MPH INCREASING TO 10 TO 20 MPH IN THE  
AFTERNOON.    
FRIDAY NIGHT  
RAIN IN THE EVENING, THEN A CHANCE OF RAIN AFTER  
MIDNIGHT. LOWS IN THE MID 50S. SOUTH WINDS 10 TO 20 MPH...  
BECOMING SOUTHWEST 5 TO 10 MPH AFTER MIDNIGHT.    
SATURDAY  
PATCHY FOG. RAIN. HIGHS AROUND 60.    
SATURDAY NIGHT AND SUNDAY  
SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS AROUND 60.    
SUNDAY NIGHT  
RAIN. LOWS IN THE MID 50S.    
MONDAY THROUGH TUESDAY  
RAIN LIKELY. HIGHS IN THE UPPER 50S.  
LOWS AROUND 50.    
TUESDAY NIGHT  
RAIN. LOWS IN THE LOWER 50S.    
WEDNESDAY  
RAIN LIKELY. HIGHS IN THE UPPER 50S.  
 
 
TEMPERATURE / PRECIPITATION  
 
SFO AIRPORT 48 58 52 60 / 10 30 40 90  
OAKLAND 47 60 50 61 / 10 30 40 90  
FREMONT 46 60 48 62 / 10 20 80  
REDWOOD CITY 46 61 49 63 / 10 20 30 80  
MOUNTAIN VIEW 48 59 49 61 / 10 20 80  
 
 
 
CAZ510-181700-  
EAST BAY INTERIOR VALLEYS-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
MOSTLY CLOUDY. AREAS OF DENSE FOG. LOWS IN THE UPPER  
40S. SOUTHWEST WINDS AROUND 5 MPH IN THE EVENING...BECOMING  
LIGHT.    
THURSDAY  
MOSTLY CLOUDY. WIDESPREAD DENSE FOG IN THE MORNING.  
HIGHS IN THE UPPER 50S. LIGHT WINDS...BECOMING NORTHWEST AROUND  
5 MPH IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLOUDY. PATCHY FOG IN THE EVENING. AREAS  
OF FOG AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN IN THE EVENING. A  
CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE UPPER 40S. LIGHT  
WINDS...BECOMING SOUTH AROUND 5 MPH AFTER MIDNIGHT.    
FRIDAY  
A CHANCE OF RAIN IN THE MORNING, THEN RAIN IN THE  
AFTERNOON. HIGHS IN THE UPPER 50S. SOUTH WINDS 5 TO 10 MPH.    
FRIDAY NIGHT  
RAIN IN THE EVENING, THEN RAIN LIKELY AFTER  
MIDNIGHT. LOWS IN THE LOWER 50S. SOUTH WINDS 5 TO 10 MPH.    
SATURDAY  
RAIN. HIGHS IN THE UPPER 50S.    
SATURDAY NIGHT AND SUNDAY  
SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 50S.    
SUNDAY NIGHT  
RAIN. LOWS IN THE LOWER 50S.    
MONDAY AND MONDAY NIGHT  
RAIN LIKELY. HIGHS IN THE UPPER 50S.  
LOWS IN THE UPPER 40S.    
TUESDAY  
RAIN LIKELY. HIGHS IN THE MID 50S.    
TUESDAY NIGHT AND WEDNESDAY  
RAIN LIKELY. LOWS AROUND 50. HIGHS  
IN THE MID 50S.  
 
 
TEMPERATURE / PRECIPITATION  
 
CONCORD 46 60 50 61 / 10 10 30 80  
LIVERMORE 45 60 46 60 / 10 20 80  
 
 
 
CAZ513-181700-  
SANTA CLARA VALLEY...INCLUDING SAN JOSE-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
MOSTLY CLOUDY. PATCHY DENSE FOG IN THE EVENING, THEN  
AREAS OF DENSE FOG AFTER MIDNIGHT. LOWS IN THE UPPER 40S.  
NORTHWEST WINDS AROUND 5 MPH IN THE EVENING...BECOMING LIGHT.    
THURSDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. AREAS OF FOG IN THE MORNING. HIGHS IN THE MID 60S. LIGHT  
WINDS...BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. PATCHY FOG IN THE EVENING, THEN AREAS OF FOG AFTER  
MIDNIGHT. LOWS IN THE UPPER 40S. LIGHT WINDS.    
FRIDAY  
MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. A CHANCE OF  
RAIN. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE  
OF RAIN 40 PERCENT.    
FRIDAY NIGHT  
CLOUDY. A CHANCE OF RAIN. PATCHY FOG AFTER  
MIDNIGHT. LOWS IN THE LOWER 50S. SOUTH WINDS 5 TO 10 MPH. CHANCE  
OF RAIN 50 PERCENT.    
SATURDAY  
AREAS OF FOG. RAIN LIKELY. HIGHS IN THE LOWER 60S.    
SATURDAY NIGHT AND SUNDAY  
SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 50S.    
SUNDAY NIGHT  
RAIN. LOWS IN THE LOWER 50S.    
MONDAY AND MONDAY NIGHT  
RAIN LIKELY. HIGHS IN THE UPPER 50S.  
LOWS IN THE UPPER 40S.    
TUESDAY  
RAIN LIKELY. HIGHS IN THE UPPER 50S.    
TUESDAY NIGHT  
RAIN. LOWS IN THE UPPER 40S.    
WEDNESDAY  
RAIN LIKELY. HIGHS IN THE UPPER 50S.  
 
 
TEMPERATURE / PRECIPITATION  
 
SAN JOSE 48 62 48 62 / 10 10 80  
MORGAN HILL 46 65 46 61 / 10 10 70  
 
 
 
CAZ512-181700-  
SANTA CRUZ MOUNTAINS-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY. AREAS OF DENSE FOG. PATCHY DRIZZLE.  
LOWS IN THE UPPER 40S. NORTH WINDS AROUND 5 MPH.    
THURSDAY  
PARTLY CLOUDY. PATCHY DENSE FOG IN THE MORNING. HIGHS  
IN THE UPPER 50S TO MID 60S. NORTH WINDS AROUND 5 MPH IN THE  
MORNING...BECOMING LIGHT.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN. WIDESPREAD FOG AFTER  
MIDNIGHT. LOWS IN THE UPPER 40S. NORTHWEST WINDS UP TO 5 MPH...  
BECOMING WEST AFTER MIDNIGHT.    
FRIDAY  
WIDESPREAD FOG IN THE MORNING. A CHANCE OF RAIN IN THE  
MORNING, THEN RAIN IN THE AFTERNOON. HIGHS AROUND 60. SOUTHWEST  
WINDS AROUND 5 MPH.    
FRIDAY NIGHT  
AREAS OF FOG. RAIN IN THE EVENING. RAIN LIKELY  
AFTER MIDNIGHT. LOWS IN THE MID 50S. SOUTH WINDS AROUND 5 MPH.    
SATURDAY  
WIDESPREAD FOG. RAIN. HIGHS IN THE LOWER 60S.    
SATURDAY NIGHT AND SUNDAY  
SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS AROUND 60.    
SUNDAY NIGHT  
RAIN. LOWS IN THE LOWER 50S.    
MONDAY THROUGH TUESDAY  
RAIN LIKELY. HIGHS IN THE UPPER 50S.  
LOWS AROUND 50.    
TUESDAY NIGHT  
RAIN. LOWS AROUND 50.    
WEDNESDAY  
RAIN LIKELY. RAIN MAY BE HEAVY AT TIMES. HIGHS IN  
THE UPPER 50S.  
 
 
 
CAZ515-181700-  
EAST BAY HILLS-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.    
THURSDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE UPPER 50S. SOUTH WINDS AROUND 5 MPH IN THE  
MORNING...BECOMING LIGHT.    
THURSDAY NIGHT  
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN IN THE  
EVENING, THEN A CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE UPPER  
40S. SOUTHWEST WINDS AROUND 5 MPH.    
FRIDAY  
RAIN LIKELY IN THE MORNING, THEN RAIN IN THE AFTERNOON.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY NIGHT  
RAIN IN THE EVENING, THEN RAIN LIKELY AFTER  
MIDNIGHT. LOWS IN THE LOWER 50S. SOUTHWEST WINDS AROUND 10 MPH.    
SATURDAY  
RAIN. HIGHS IN THE MID 50S.    
SATURDAY NIGHT AND SUNDAY  
SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 50S.    
SUNDAY NIGHT  
RAIN. LOWS IN THE LOWER 50S.    
MONDAY AND MONDAY NIGHT  
RAIN LIKELY. HIGHS IN THE MID 50S.  
LOWS IN THE UPPER 40S.    
TUESDAY  
RAIN LIKELY. HIGHS IN THE LOWER 50S.    
TUESDAY NIGHT  
RAIN. LOWS IN THE UPPER 40S.    
WEDNESDAY  
RAIN LIKELY. HIGHS IN THE LOWER 50S.  
 
 
 
CAZ514-181700-  
EASTERN SANTA CLARA HILLS-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S TO LOWER 50S.  
NORTHWEST WINDS AROUND 5 MPH.    
THURSDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTHWEST  
WINDS AROUND 5 MPH IN THE MORNING...BECOMING LIGHT.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S TO LOWER 50S. LIGHT WINDS...  
BECOMING WEST AROUND 5 MPH AFTER MIDNIGHT.    
FRIDAY  
A CHANCE OF RAIN IN THE MORNING, THEN RAIN LIKELY IN  
THE AFTERNOON. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 70 PERCENT.    
FRIDAY NIGHT  
RAIN LIKELY IN THE EVENING, THEN A CHANCE OF RAIN  
AFTER MIDNIGHT. LOWS IN THE 40S TO MID 50S. SOUTHWEST WINDS  
AROUND 5 MPH. CHANCE OF RAIN 70 PERCENT.    
SATURDAY  
RAIN LIKELY. HIGHS AROUND 60.    
SATURDAY NIGHT THROUGH SUNDAY NIGHT  
RAIN. LOWS IN THE 40S TO  
MID 50S. HIGHS IN THE MID 50S TO LOWER 60S.    
MONDAY THROUGH TUESDAY  
RAIN LIKELY. HIGHS IN THE MID 50S. LOWS  
IN THE 40S TO LOWER 50S.    
TUESDAY NIGHT  
RAIN. LOWS IN THE 40S TO LOWER 50S.    
WEDNESDAY  
RAIN LIKELY. HIGHS IN THE MID 50S.  
 
 
 
CAZ529-181700-  
NORTHERN MONTEREY BAY-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
MOSTLY CLOUDY. AREAS OF DENSE FOG. PATCHY DRIZZLE.  
LOWS IN THE MID 40S. LIGHT WINDS.    
THURSDAY  
PARTLY CLOUDY. WIDESPREAD DENSE FOG IN THE MORNING.  
PATCHY DRIZZLE IN THE MORNING. HIGHS IN THE MID 60S. LIGHT WINDS.   
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. AREAS OF FOG IN THE EVENING. WIDESPREAD FOG AFTER  
MIDNIGHT. A SLIGHT CHANCE OF RAIN. LOWS IN THE UPPER 40S. LIGHT  
WINDS.    
FRIDAY  
MOSTLY CLOUDY. WIDESPREAD FOG IN THE MORNING. A CHANCE  
OF RAIN. HIGHS IN THE LOWER 60S. LIGHT WINDS...BECOMING SOUTHWEST  
AROUND 5 MPH IN THE AFTERNOON. CHANCE OF RAIN 50 PERCENT.    
FRIDAY NIGHT  
AREAS OF FOG. RAIN LIKELY. LOWS IN THE LOWER 50S.  
LIGHT WINDS. CHANCE OF RAIN 70 PERCENT.    
SATURDAY  
AREAS OF FOG. RAIN LIKELY. HIGHS IN THE MID 60S.    
SATURDAY NIGHT  
PATCHY FOG. RAIN. LOWS IN THE MID 50S.    
SUNDAY  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE LOWER 60S.    
SUNDAY NIGHT  
RAIN. LOWS IN THE LOWER 50S.    
MONDAY  
RAIN LIKELY. HIGHS IN THE LOWER 60S.    
MONDAY NIGHT  
RAIN LIKELY. LOWS IN THE UPPER 40S.    
TUESDAY  
RAIN LIKELY. HIGHS AROUND 60.    
TUESDAY NIGHT  
RAIN. LOWS IN THE UPPER 40S.    
WEDNESDAY  
RAIN. HIGHS IN THE LOWER 60S.  
 
 
TEMPERATURE / PRECIPITATION  
 
SANTA CRUZ 46 65 47 62 / 10 10 20 80  
 
 
 
CAZ530-181700-  
SOUTHERN MONTEREY BAY AND BIG SUR COAST-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY. PATCHY DRIZZLE. LOWS IN THE UPPER 40S.  
NORTH WINDS AROUND 5 MPH.    
THURSDAY  
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.  
PATCHY DRIZZLE IN THE MORNING. HIGHS IN THE 60S TO LOWER 70S.  
NORTH WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN  
AFTER MIDNIGHT. LOWS IN THE UPPER 40S. NORTHWEST WINDS AROUND  
5 MPH IN THE EVENING...BECOMING LIGHT.    
FRIDAY  
AREAS OF FOG IN THE MORNING. A CHANCE OF RAIN IN THE  
MORNING, THEN RAIN LIKELY IN THE AFTERNOON. HIGHS IN THE MID 60S.  
LIGHT WINDS...BECOMING WEST AROUND 5 MPH IN THE AFTERNOON. CHANCE  
OF RAIN 60 PERCENT.    
FRIDAY NIGHT  
AREAS OF FOG IN THE EVENING. PATCHY FOG AFTER  
MIDNIGHT. RAIN LIKELY. LOWS IN THE LOWER 50S. LIGHT WINDS. CHANCE  
OF RAIN 60 PERCENT.    
SATURDAY  
PATCHY FOG. RAIN LIKELY. HIGHS IN THE MID 60S.    
SATURDAY NIGHT  
AREAS OF FOG. RAIN. LOWS IN THE LOWER 50S.    
SUNDAY AND SUNDAY NIGHT  
RAIN. HIGHS IN THE MID 60S. LOWS IN  
THE LOWER 50S.    
MONDAY AND MONDAY NIGHT  
RAIN LIKELY. HIGHS IN THE MID 60S.  
LOWS AROUND 50.    
TUESDAY  
RAIN LIKELY. HIGHS IN THE LOWER 60S.    
TUESDAY NIGHT  
RAIN. LOWS IN THE UPPER 40S.    
WEDNESDAY  
RAIN. HIGHS IN THE LOWER 60S.  
 
 
TEMPERATURE / PRECIPITATION  
 
MONTEREY 48 63 49 63 / 10 20 60  
BIG SUR 53 70 52 65 / 10 10 20 50  
 
 
 
CAZ528-181700-  
NORTHERN SALINAS VALLEY...HOLLISTER VALLEY...AND CARMEL VALLEY-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
MOSTLY CLOUDY. PATCHY DENSE FOG IN THE EVENING.  
WIDESPREAD DENSE FOG AFTER MIDNIGHT. PATCHY DRIZZLE. LOWS IN THE  
UPPER 40S. WEST WINDS AROUND 5 MPH IN THE EVENING...BECOMING  
LIGHT.    
THURSDAY  
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.  
WIDESPREAD DENSE FOG IN THE MORNING. PATCHY DRIZZLE IN THE  
MORNING. HIGHS IN THE MID 60S TO LOWER 70S. LIGHT WINDS...  
BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON.    
THURSDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE MID TO  
UPPER 40S. LIGHT WINDS.    
FRIDAY  
MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. A SLIGHT  
CHANCE OF RAIN IN THE MORNING, THEN A CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE UPPER 50S TO MID 60S. LIGHT WINDS...  
BECOMING WEST AROUND 5 MPH IN THE AFTERNOON. CHANCE OF RAIN  
50 PERCENT.    
FRIDAY NIGHT  
MOSTLY CLOUDY. PATCHY FOG. A CHANCE OF RAIN. LOWS  
IN THE LOWER 50S. LIGHT WINDS. CHANCE OF RAIN 50 PERCENT.    
SATURDAY  
MOSTLY CLOUDY. PATCHY FOG. A CHANCE OF RAIN. HIGHS IN  
THE 60S TO LOWER 70S.    
SATURDAY NIGHT  
PATCHY FOG. RAIN LIKELY. LOWS IN THE MID 50S.    
SUNDAY AND SUNDAY NIGHT  
RAIN. HIGHS IN THE 60S. LOWS IN THE  
LOWER 50S.    
MONDAY AND MONDAY NIGHT  
RAIN LIKELY. HIGHS IN THE UPPER 50S TO  
MID 60S. LOWS AROUND 50.    
TUESDAY  
RAIN LIKELY. HIGHS IN THE UPPER 50S TO MID 60S.    
TUESDAY NIGHT  
RAIN. LOWS AROUND 50.    
WEDNESDAY  
RAIN LIKELY. HIGHS IN THE UPPER 50S TO MID 60S.  
 
 
TEMPERATURE / PRECIPITATION  
 
SALINAS 48 65 47 62 / 10 50  
CARMEL VALLEY 49 70 49 66 / 10 10 50  
HOLLISTER 47 65 44 59 / 10 50  
 
 
 
CAZ516-181700-  
SOUTHERN SALINAS VALLEY...ARROYO SECO...AND LAKE SAN ANTONIO-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. PATCHY DENSE FOG AFTER MIDNIGHT. LOWS IN THE UPPER 40S.  
NORTH WINDS 5 TO 10 MPH.    
THURSDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.  
PATCHY DENSE FOG IN THE MORNING. HIGHS IN THE UPPER 60S. LIGHT  
WINDS...BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. PATCHY FOG. LOWS IN THE LOWER 40S. LIGHT WINDS.    
FRIDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. WIDESPREAD FOG IN THE MORNING. A SLIGHT CHANCE OF RAIN IN  
THE AFTERNOON. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO 10 MPH.  
CHANCE OF RAIN 20 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. PATCHY FOG IN THE EVENING, THEN  
AREAS OF FOG AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN IN THE  
EVENING, THEN A CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE UPPER  
40S. NORTHWEST WINDS AROUND 5 MPH IN THE EVENING...BECOMING  
LIGHT. CHANCE OF RAIN 40 PERCENT.    
SATURDAY  
MOSTLY CLOUDY. WIDESPREAD FOG. A CHANCE OF RAIN.  
HIGHS IN THE UPPER 60S.    
SATURDAY NIGHT  
MOSTLY CLOUDY. AREAS OF FOG. A CHANCE OF RAIN.  
LOWS IN THE LOWER 50S.    
SUNDAY  
PATCHY FOG. RAIN LIKELY. HIGHS IN THE MID 60S.    
SUNDAY NIGHT  
RAIN LIKELY. LOWS IN THE LOWER 50S.    
MONDAY THROUGH TUESDAY  
CLOUDY. A CHANCE OF RAIN. HIGHS IN THE  
LOWER 60S. LOWS IN THE UPPER 40S.    
TUESDAY NIGHT  
RAIN LIKELY. LOWS IN THE UPPER 40S.    
WEDNESDAY  
RAIN LIKELY. HIGHS AROUND 60.  
 
 
TEMPERATURE / PRECIPITATION  
 
KING CITY 48 69 44 66 / 20  
 
 
 
CAZ517-181700-  
SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. PATCHY DENSE FOG. LOWS NEAR 50. NORTH WINDS 5 TO 10 MPH.    
THURSDAY  
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.  
HIGHS IN THE 60S TO LOWER 70S. NORTH WINDS 5 TO 10 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 40S TO LOWER 50S. NORTHWEST WINDS  
5 TO 10 MPH.    
FRIDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE LOWER 50S  
TO MID 60S. NORTHWEST WINDS 5 TO 10 MPH. CHANCE OF RAIN  
50 PERCENT.    
FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS NEAR 50.  
NORTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT.    
SATURDAY  
MOSTLY CLOUDY. A CHANCE OF RAIN. HIGHS IN THE MID 50S  
TO UPPER 60S.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS IN THE  
LOWER 50S.    
SUNDAY AND SUNDAY NIGHT  
RAIN. HIGHS IN THE 50S TO MID 60S.  
LOWS IN THE LOWER 50S.    
MONDAY  
RAIN LIKELY. HIGHS IN THE LOWER 50S TO MID 60S.    
MONDAY NIGHT AND TUESDAY  
RAIN LIKELY. LOWS IN THE LOWER 50S.  
HIGHS IN THE 50S TO LOWER 60S.    
TUESDAY NIGHT AND WEDNESDAY  
RAIN. LOWS AROUND 50. HIGHS IN THE  
50S TO LOWER 60S.  
 
 
 
CAZ518-181700-  
MOUNTAINS OF SAN BENITO AND INTERIOR MONTEREY COUNTY INCLUDING  
PINNACLES NATIONAL PARK-  
501 PM PST WED DEC 17 2025  
   
TONIGHT  
PARTLY CLOUDY. AREAS OF DENSE FOG. LOWS IN THE 40S TO  
LOWER 50S. NORTH WINDS AROUND 5 MPH.    
THURSDAY  
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.  
AREAS OF DENSE FOG IN THE MORNING. HIGHS IN THE 60S TO LOWER 70S.  
NORTH WINDS AROUND 5 MPH.    
THURSDAY NIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS IN THE 30S TO  
UPPER 40S. LIGHT WINDS...BECOMING NORTHWEST AROUND 5 MPH AFTER  
MIDNIGHT.    
FRIDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. PATCHY DENSE FOG IN THE MORNING. A CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE MID 50S TO UPPER 60S. WEST WINDS AROUND  
5 MPH. CHANCE OF RAIN 50 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. AREAS OF FOG IN THE EVENING. WIDESPREAD FOG AFTER  
MIDNIGHT. A CHANCE OF RAIN. LOWS IN THE LOWER 40S TO MID 50S.  
NORTHWEST WINDS AROUND 5 MPH. CHANCE OF RAIN 50 PERCENT.    
SATURDAY  
MOSTLY CLOUDY. AREAS OF DENSE FOG. A CHANCE OF RAIN.  
HIGHS IN THE UPPER 50S TO LOWER 70S.    
SATURDAY NIGHT  
MOSTLY CLOUDY. AREAS OF FOG. A CHANCE OF RAIN.  
LOWS IN THE 40S TO MID 50S.    
SUNDAY AND SUNDAY NIGHT  
RAIN LIKELY. HIGHS IN THE 50S TO MID  
60S. LOWS IN THE 40S TO MID 50S.    
MONDAY  
CLOUDY. A CHANCE OF RAIN. HIGHS IN THE LOWER 50S TO MID  
60S.    
MONDAY NIGHT AND TUESDAY  
MOSTLY CLOUDY. A CHANCE OF RAIN. LOWS  
IN THE 40S TO LOWER 50S. HIGHS IN THE 50S TO LOWER 60S.    
TUESDAY NIGHT AND WEDNESDAY  
RAIN LIKELY. LOWS IN THE 40S TO  
LOWER 50S. HIGHS IN THE 50S TO LOWER 60S.  
 
 
TEMPERATURE / PRECIPITATION  
 
PINNACLES NP 45 73 43 66 / 30  
 
 
 
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