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

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

53°F

12°C

Humidity 80%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 31 Dec 01:43 PM PST
Extended Forecast for

San Francisco CA

Coastal Flood Advisory December 31, 02:39pm until January 4, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory December 31, 02:39pm until January 4, 02:00pm

    NOW until 2:00pm Sun

    Coastal Flood Advisory

  • This Afternoon

    High: 54 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 50. East northeast wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Rain

  • New Year's Day

    New Year's Day: Rain likely. Cloudy, with a high near 60. Southeast wind 8 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 60 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 52. South southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: Rain likely, mainly after 10am. Cloudy, with a high near 60. South southeast wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain. Low around 55. Breezy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 55 °F

    Rain and
    Breezy

  • Saturday

    Saturday: Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 60. Chance of precipitation is 90%.

    High: 60 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 4am, then rain and possibly a thunderstorm after 4am. Cloudy, with a low around 53.

    Low: 53 °F

    Showers

Detailed Forecast

This Afternoon
Rain. High near 54. Northeast wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 50. East northeast wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
New Year's Day
Rain likely. Cloudy, with a high near 60. Southeast wind 8 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 52. South southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly after 10am. Cloudy, with a high near 60. South southeast wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain. Low around 55. Breezy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain before 10am, then showers and possibly a thunderstorm between 10am and 1pm, then rain after 1pm. High near 60. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 4am, then rain and possibly a thunderstorm after 4am. Cloudy, with a low around 53.
Sunday
Rain. Cloudy, with a high near 58.
Sunday Night
Rain. Mostly cloudy, with a low around 51.
Monday
Rain. Mostly cloudy, with a high near 57.
Monday Night
Rain likely. Mostly cloudy, with a low around 49.
Tuesday
A chance of rain. Partly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.77°N 122.41°W (Elev. 131 ft)
Last Update:
2:14 pm PST Dec 31, 2025
Forecast Valid:
2pm PST Dec 31, 2025-6pm PST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation