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 9 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Jul 03:30 AM PDT
Extended Forecast for

San Mateo CA

  • Overnight

    Overnight: A slight chance of drizzle.  Mostly cloudy, with a low around 54. Light southwest wind.

    Low: 54 °F

    Slight Chance
    Drizzle

  • Tuesday

    Tuesday: A slight chance of drizzle.  Mostly cloudy, then gradually becoming sunny, with a high near 73. Southwest wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 73 °F

    Slight Chance
    Drizzle

  • Tuesday Night

    Tuesday Night: A chance of drizzle, mainly after 11pm.  Partly cloudy, with a low around 55. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Chance
    Drizzle

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Southwest wind 6 to 11 mph.

    High: 72 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of drizzle.  Partly cloudy, with a low around 55. Southwest wind 5 to 13 mph, with gusts as high as 18 mph.

    Low: 55 °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 56.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Friday Night

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

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of drizzle. Mostly cloudy, with a low around 54. Light southwest wind.
Tuesday
A slight chance of drizzle. Mostly cloudy, then gradually becoming sunny, with a high near 73. Southwest wind 5 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of drizzle, mainly after 11pm. Partly cloudy, with a low around 55. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Southwest wind 6 to 11 mph.
Wednesday Night
A slight chance of drizzle. Partly cloudy, with a low around 55. Southwest wind 5 to 13 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
San Mateo CA
 37.56°N 122.33°W (Elev. 108 ft)
3:02 am PDT Jul 15, 2025
3am PDT Jul 15, 2025-6pm PDT Jul 21, 2025
 
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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