National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

Lat: 37.77056°NLon: 122.42694°WElev: 150.0ft.

NA

54°F

12°C

Humidity 100%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 02 Jan 06:43 AM PST
Extended Forecast for

San Francisco CA

Wind Advisory January 2, 01:00pm until January 3, 01:00pm
Coastal Flood Advisory January 3, 02:00pm until January 4, 02:00pm
Coastal Flood Warning until January 3, 02:00pm
Click here for hazard details and duration
Wind Advisory
Coastal Flood Advisory
Coastal Flood Warning
  •  
    Coastal Flood Warning until January 3, 02:00pm

    NOW until 2:00pm Sat

    Coastal Flood Warning

  • Today

    High: 59 °F

    Chance Rain
    then Rain

  • Tonight

    Tonight: Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then rain after 1am. Low around 54. South southeast wind 13 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers

  • Saturday

    Saturday: Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 59. South wind 11 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 52. South wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Showers

  • Sunday

    Sunday: Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 57. Southwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Rain. Low around 50. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain

  • Monday

    Monday: Rain. High near 55. Chance of precipitation is 80%.

    High: 55 °F

    Rain

  • Monday Night

    Monday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely

Detailed Forecast

Today
Rain, mainly after 4pm. High near 59. Southeast wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then rain after 1am. Low around 54. South southeast wind 13 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Rain before 1pm, then showers and possibly a thunderstorm after 1pm. High near 59. South wind 11 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 52. South wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 57. Southwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Rain. Low around 50. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 55. Chance of precipitation is 80%.
Monday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 47.
Tuesday
A slight chance of rain before 10am. Partly sunny, with a high near 56.
Tuesday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 46.
Wednesday
A chance of rain. Mostly cloudy, with a high near 55.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Thursday
A chance of rain. Mostly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.77°N 122.44°W (Elev. 253 ft)
Last Update:
5:47 am PST Jan 2, 2026
Forecast Valid:
7am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation