Very Cold Temperatures from the Northern Plains to Ohio Valley; Swath of Snow from the Midwest to Central Appalachians

Arctic air will bring very cold temperatures and dangerous wind chills from the Northern Plains to the Ohio Valley today, expanding into the Mid-South and Mid-Atlantic on Sunday. A swath of accumulating snow is expected today from the Midwest to Central Appalachians, expanding into portions of the Mid-Atlantic tonight into Sunday. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

42°F

6°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: Mostly cloudy, then gradually becoming sunny, with a high near 54. North wind 3 to 6 mph.

    High: 54 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 45. North northwest wind 3 to 5 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 60. Light and variable wind becoming west 5 to 7 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52. West wind around 6 mph.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 4pm.  Patchy fog before 1pm.  Otherwise, mostly cloudy, with a high near 62. Calm wind becoming west around 6 mph in the afternoon.

    High: 62 °F

    Chance Rain
    and Patchy
    Fog

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 10pm.  Mostly cloudy, with a low around 56. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain.  Partly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A chance of rain, mainly after 10am.  Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 54. North wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 45. North northwest wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 60. Light and variable wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 52. West wind around 6 mph.
Tuesday
A 30 percent chance of rain, mainly after 4pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 62. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 56. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 49.
Thursday
A chance of rain, mainly after 10am. Partly sunny, with a high near 58.
Thursday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 52.
Friday
Rain. Cloudy, with a high near 60.
Friday Night
Rain likely. Mostly cloudy, with a low around 52.
Saturday
A chance of rain. Mostly cloudy, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.77°N 122.41°W (Elev. 131 ft)
8:36 am PST Dec 14, 2025
9am PST Dec 14, 2025-6pm PST Dec 20, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database