Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.

Clear

48°F

9°C

Humidity 70%
Wind Speed E 6 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 20 Feb 11:00 AM PST
Extended Forecast for

San Mateo CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 53. Calm wind.

    High: 53 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Calm wind becoming southeast around 5 mph after midnight.

    Low: 42 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 58. South wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm.  Partly cloudy, with a low around 51. South southeast wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 51 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 40 percent chance of rain.  Partly sunny, with a high near 64. South southeast wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 64 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Rain

  • Monday

    Monday: A 30 percent chance of rain, mainly after 4pm.  Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain, mainly after 10pm.  Cloudy, with a low around 55.

    Low: 55 °F

    Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 61.

    High: 61 °F

    Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 53. Calm wind.
Tonight
Increasing clouds, with a low around 42. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 58. South wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday Night
A 20 percent chance of rain after 10pm. Partly cloudy, with a low around 51. South southeast wind 11 to 14 mph, with gusts as high as 23 mph.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 64. South southeast wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 52.
Monday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 65.
Monday Night
Rain, mainly after 10pm. Cloudy, with a low around 55.
Tuesday
Rain. Cloudy, with a high near 61.
Tuesday Night
Rain likely. Cloudy, with a low around 52.
Wednesday
Rain likely. Mostly cloudy, with a high near 63.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 53.
Thursday
A chance of rain. Mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.58°N 122.33°W (Elev. 33 ft)
12:32 am PST Feb 20, 2026
11am PST Feb 20, 2026-6pm PST Feb 26, 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