SFO Weather

54°F

Weather: Overcast
Wind: 13 mph from S
Humidity: 71%
Barometer: 29.77 in.

— As of 9:20 p.m.

Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN FRANCISCO CA 421 AM PST THU JAN 19 2017 CAZ006-505>513-516>518-528>530-201230- SAN FRANCISCO- COASTAL NORTH BAY INCLUDING POINT REYES NATIONAL SEASHORE- NORTH BAY INTERIOR VALLEYS-NORTH BAY MOUNTAINS- SAN FRANCISCO BAY SHORELINE-SAN FRANCISCO PENINSULA COAST- EAST BAY INTERIOR VALLEYS-EAST BAY HILLS AND THE DIABLO RANGE- SANTA CRUZ MOUNTAINS-SANTA CLARA VALLEY INCLUDING SAN JOSE- SOUTHERN SALINAS VALLEY/ARROYO SECO AND LAKE SAN ANTONIO- SANTA LUCIA MOUNTAINS AND LOS PADRES NATIONAL FOREST- MOUNTAINS OF SAN BENITO COUNTY AND INTERIOR MONTEREY COUNTY INCLUDING PINNACLES NATIONAL MONUMENT- NORTHERN SALINAS VALLEY/HOLLISTER VALLEY AND CARMEL VALLEY- NORTHERN MONTEREY BAY-SOUTHERN MONTEREY BAY AND BIG SUR COAST- 421 AM PST THU JAN 19 2017 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN CALIFORNIA. .DAY ONE…TODAY AND TONIGHT SCATTERED SHOWERS TODAY AND ISOLATED THUNDERSTORMS CAN BE EXPECTED. .DAYS TWO THROUGH SEVEN…FRIDAY THROUGH WEDNESDAY AT LEAST TWO ADDITIONAL SYSTEMS WILL BRING WIDESPREAD RAINFALL TO OUR REGION — LATE TONIGHT INTO FRIDAY AND THEN SATURDAY NIGHT INTO SUNDAY. RAINFALL COULD BE HEAVY AT TIME WITH POTENTIAL HYDROLOGICAL ISSUES ESPECIALLY GOING INTO SUNDAY. GUSTY SOUTHERLY WINDS CAN BE EXPECTED WITH BOTH SYSTEMS. SCATTERED SHOWERS ARE EXPECTED MONDAY AND POSSIBLY TUESDAY. .SPOTTER INFORMATION STATEMENT… $$

Seven-Day Forecast

This Afternoon

Chance Showers

High: 57°F

Chance of rain: 30%

A chance of rain and thunderstorms before 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 57. West wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Heavy Rain

Low: 51°F

Chance of rain: 90%

Showers, with thunderstorms also possible after 4am. Some of the storms could produce heavy rainfall. Low around 51. South southeast wind 5 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

Heavy Rain

High: 57°F

Chance of rain: 100%

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 57. West southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

Showers Likely and Breezy

Low: 47°F

Chance of rain: 70%

Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 47. Breezy, with a west wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Breezy. Chance Showers then Showers

High: 57°F

Chance of rain: 80%

Showers, mainly after 4pm. High near 57. Breezy, with a west wind 20 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night

Heavy Rain and Breezy

Low: 50°F

Chance of rain: 90%

Showers. The rain could be heavy at times. Low around 50. Breezy. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Sunday

Showers and Breezy

High: 56°F

Chance of rain: 80%

Showers. High near 56. Breezy. Chance of precipitation is 80%.

Sunday Night

Showers Likely

Low: 45°F

Showers likely. Mostly cloudy, with a low around 45.

Monday

Chance Showers

High: 54°F

A chance of showers. Mostly cloudy, with a high near 54.

Monday Night

Chance Showers

Low: 45°F

A chance of showers. Mostly cloudy, with a low around 45.

Tuesday

Chance Showers

High: 55°F

A chance of showers. Partly sunny, with a high near 55.

Tuesday Night

Partly Cloudy

Low: 44°F

Partly cloudy, with a low around 44.

Wednesday

Sunny

High: 55°F

Sunny, with a high near 55.