Severe Weather and Heavy Rain for the Plains and Mid-Atlantic; Building Heat in the West

Severe thunderstorms will remain possible in the Mid-Atlantic through Tuesday. Severe thunderstorms and heavy rain will also be possible in the central/southern Plains on Tuesday and Wednesday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry weather will create Elevated to Critical fire weather conditions in the Four Corners Region. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Overcast

55°F

13°C

Humidity 93%
Wind Speed W 12 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 23 Jun 04:00 AM PDT
Extended Forecast for

San Mateo CA

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Light west southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 72 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 55. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 55 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. Light southwest wind becoming west 5 to 10 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. West wind 5 to 9 mph becoming light southwest  after midnight.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Light southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Light west southwest wind increasing to 5 to 10 mph in the afternoon.
Tonight
Increasing clouds, with a low around 55. West southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 74. Light southwest wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. West wind 5 to 9 mph becoming light southwest after midnight.
Thursday
Sunny, with a high near 75. Light southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Clear, with a low around 54.
Sunday
Sunny, with a high near 77.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.56°N 122.33°W (Elev. 108 ft)
1:26 am PDT Jun 23, 2026
4am PDT Jun 23, 2026-6pm PDT Jun 29, 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