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

Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Clear

55°F

13°C

Humidity 93%
Wind Speed WNW 11 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Jul 01:20 AM PDT
Extended Forecast for

San Mateo CA

  • Overnight

    Overnight: Partly cloudy, with a low around 54. Southwest wind around 6 mph.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 72. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 72 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of drizzle after 11pm. Partly cloudy, with a low around 54. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Slight Chance
    Drizzle

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 72. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 72 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 54. Southwest wind around 6 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 72. Southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
A slight chance of drizzle after 11pm. Partly cloudy, with a low around 54. Southwest wind 8 to 14 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 72. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 56. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 54.
Monday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.54°N 122.32°W (Elev. 194 ft)
Last Update:
1:26 am PDT Jul 15, 2025
Forecast Valid:
1am PDT Jul 15, 2025-6pm PDT Jul 21, 2025
 
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