National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

56°F

13°C

Humidity 83%
Wind Speed W 9 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 15 Apr 11:56 PM PDT
Extended Forecast for

San Mateo CA

  • Overnight

    Overnight: Partly cloudy, with a low around 48. West northwest wind 7 to 9 mph.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 50. North northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 18 mph.

    Low: 50 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70. Northwest wind 3 to 6 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. West northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 11am. Partly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Rain

  • Sunday Night

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

    Low: 52 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 48. West northwest wind 7 to 9 mph.
Thursday
Sunny, with a high near 68. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Clear, with a low around 50. North northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 70. Northwest wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 49. West northwest wind 5 to 9 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
A slight chance of rain after 11am. Partly sunny, with a high near 68.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 52.
Monday
A chance of rain. Mostly cloudy, with a high near 65.
Monday Night
A chance of rain. Mostly cloudy, with a low around 51.
Tuesday
A chance of rain. Partly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.58°N 122.33°W (Elev. 33 ft)
Last Update:
11:26 pm PDT Apr 15, 2026
Forecast Valid:
12am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation