Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. 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

San Francisco CA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 54. Light and variable wind becoming northeast 5 to 8 mph in the morning.

    High: 54 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Northeast wind around 8 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. Northeast wind around 10 mph.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Northeast wind around 7 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56. Northeast wind 8 to 10 mph.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after 10am.  Mostly cloudy, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • New Year's Day

    New Year's Day: Rain likely.  Cloudy, with a high near 56.

    High: 56 °F

    Rain Likely

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 54. Light and variable wind becoming northeast 5 to 8 mph in the morning.
Tonight
Mostly clear, with a low around 42. Northeast wind around 8 mph.
Monday
Sunny, with a high near 56. Northeast wind around 10 mph.
Monday Night
Mostly clear, with a low around 42. Northeast wind around 7 mph.
Tuesday
Sunny, with a high near 56. Northeast wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 56.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 46.
New Year's Day
Rain likely. Cloudy, with a high near 56.
Thursday Night
Rain likely. Mostly cloudy, with a low around 48.
Friday
A chance of rain. Mostly cloudy, with a high near 55.
Friday Night
A chance of rain. Mostly cloudy, with a low around 47.
Saturday
A chance of rain. Mostly cloudy, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.77°N 122.44°W (Elev. 253 ft)
12:27 am PST Dec 28, 2025
6am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database