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

Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. through Thursday, focused from the central High Plains to the Mid-Mississippi Valley. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, and dry thunderstorms may spark additional wildfires. Dangerous heat will build across the southern U.S. Friday into the weekend. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

57°F

14°C

Humidity 87%
Wind Speed WSW 10 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 Jun 01:00 AM PDT
Extended Forecast for

San Mateo CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. Southwest wind around 5 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 73. West wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 56. West southwest wind 9 to 15 mph, with gusts as high as 26 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 71. West wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 71 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 57. West wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 57 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. Breezy.

    Low: 54 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. Southwest wind around 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 73. West wind 5 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Increasing clouds, with a low around 56. West southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Friday
Partly sunny, with a high near 71. West wind 10 to 14 mph, with gusts as high as 23 mph.
Friday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 57. West wind 10 to 14 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 54. Breezy.
Sunday
Sunny, with a high near 75.
Sunday Night
Clear, with a low around 54.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.56°N 122.33°W (Elev. 108 ft)
Last Update:
12:40 am PDT Jun 25, 2026
Forecast Valid:
1am PDT Jun 25, 2026-6pm PDT Jul 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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