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 NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

4 Miles WNW San Francisco CA

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly clear, with a low around 46. North wind around 7 mph.

    Low: 46 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, sunny, with a high near 54. North northeast wind around 7 mph becoming west northwest in the afternoon.

    High: 54 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog. Otherwise, partly cloudy, with a low around 48. North wind around 6 mph.

    Low: 48 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before noon. Otherwise, mostly sunny, with a high near 57. North wind around 7 mph.

    High: 57 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 49. North wind around 6 mph.

    Low: 49 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before noon. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 49.

    Low: 49 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 49.

    Low: 49 °F

    Patchy Fog

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly clear, with a low around 46. North wind around 7 mph.
Monday
Patchy fog before 10am. Otherwise, sunny, with a high near 54. North northeast wind around 7 mph becoming west northwest in the afternoon.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 48. North wind around 6 mph.
Tuesday
Areas of fog before noon. Otherwise, mostly sunny, with a high near 57. North wind around 7 mph.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 49. North wind around 6 mph.
Wednesday
Patchy fog before noon. Otherwise, mostly sunny, with a high near 60.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 49.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 49.
Friday
Mostly sunny, with a high near 60.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 48.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 59.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 49.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW San Francisco CA
 37.81°N 122.48°W (Elev. 0 ft)
Last Update:
8:31 pm PST Dec 7, 2025
Forecast Valid:
10pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation