Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

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 90%
Wind Speed WNW 8 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 14 Jul 01:56 AM PDT
Extended Forecast for

San Mateo CA

  • Overnight

    Overnight: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 77. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 77 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 54. Southwest wind 5 to 7 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 74. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 74 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of drizzle after 11pm.  Partly cloudy, with a low around 56. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 56 °F

    Slight Chance
    Drizzle

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of drizzle after 11pm.  Partly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    Drizzle

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 55. Calm wind.
Monday
Partly sunny, then gradually becoming sunny, with a high near 77. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 54. Southwest wind 5 to 7 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 74. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
A slight chance of drizzle after 11pm. Partly cloudy, with a low around 56. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
A slight chance of drizzle after 11pm. Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.56°N 122.33°W (Elev. 108 ft)
1:26 am PDT Jul 14, 2025
2am PDT Jul 14, 2025-6pm PDT Jul 20, 2025
 
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