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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

46°F

8°C

Humidity 100%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 07 Dec 06:43 PM PST
Extended Forecast for

San Francisco CA

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, mostly clear, with a low around 45. Light north wind.

    Low: 45 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 10am. Otherwise, sunny, with a high near 56. North wind 3 to 6 mph.

    High: 56 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog before 10pm, then patchy fog after 11pm. Otherwise, mostly clear, with a low around 47. Light north wind.

    Low: 47 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 61. North wind 3 to 6 mph.

    High: 61 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 48. Light north wind.

    Low: 48 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 48.

    Low: 48 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 48.

    Low: 48 °F

    Clear then
    Patchy Fog

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 45. Light north wind.
Monday
Areas of fog before 10am. Otherwise, sunny, with a high near 56. North wind 3 to 6 mph.
Monday Night
Patchy fog before 10pm, then patchy fog after 11pm. Otherwise, mostly clear, with a low around 47. Light north wind.
Tuesday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 61. North wind 3 to 6 mph.
Tuesday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 48. Light north wind.
Wednesday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 64.
Wednesday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 48.
Thursday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 65.
Thursday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 48.
Friday
Areas of fog before 10am. Otherwise, sunny, with a high near 64.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 47.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 64.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 48.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.75°N 122.4°W (Elev. 197 ft)
Last Update:
6:20 pm PST Dec 7, 2025
Forecast Valid:
7pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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