Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

57°F

14°C

Humidity 71%
Wind Speed W 26 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 20 Jun 09:35 AM PDT
Extended Forecast for

San Mateo CA

  • Today

    Today: Sunny, with a high near 67. Breezy, with a west northwest wind 16 to 24 mph, with gusts as high as 39 mph.

    High: 67 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 51. Breezy, with a west northwest wind 13 to 23 mph, with gusts as high as 43 mph.

    Low: 51 °F

    Clear and
    Breezy then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70. West northwest wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 52. West northwest wind 9 to 18 mph, with gusts as high as 30 mph.

    Low: 52 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 72. West northwest wind 6 to 14 mph, with gusts as high as 18 mph.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 67. Breezy, with a west northwest wind 16 to 24 mph, with gusts as high as 39 mph.
Tonight
Mostly clear, with a low around 51. Breezy, with a west northwest wind 13 to 23 mph, with gusts as high as 43 mph.
Saturday
Sunny, with a high near 70. West northwest wind 9 to 17 mph, with gusts as high as 26 mph.
Saturday Night
Clear, with a low around 52. West northwest wind 9 to 18 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 72. West northwest wind 6 to 14 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 51.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.56°N 122.33°W (Elev. 108 ft)
2:15 am PDT Jun 20, 2025
9am PDT Jun 20, 2025-6pm PDT Jun 26, 2025
 
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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