Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

51°F

11°C

Humidity 81%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 19 Jan 08:43 AM PST
Extended Forecast for

San Francisco CA

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 61. North wind around 7 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. North northeast wind around 6 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Northeast wind around 7 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48. North northeast wind around 6 mph.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59. North northeast wind around 6 mph.

    High: 59 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 58.

    High: 58 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 61. North wind around 7 mph.
Tonight
Partly cloudy, with a low around 47. North northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 61. Northeast wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 48. North northeast wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 59. North northeast wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 48.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 59.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.79°N 122.42°W (Elev. 197 ft)
12:26 am PST Jan 19, 2026
9am PST Jan 19, 2026-6pm PST Jan 25, 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