Inclement Weather in the Mid-Atlantic and Northeast; Below Normal Temperatures Continue

A strong cold front will bring heavy wet snow from the eastern Great Lakes into northern New England and strong thunderstorms with damaging winds in the Mid-Atlantic and Northeast. Well below average temperatures will continue behind this storm system or east of the Rockies, as numerous record low temperatures are likely. Critical fire weather conditions expected in the Southwest and Southeast. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10ft.

Clear

61°F

16°C

Humidity 59%
Wind Speed W 23 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 46°F (8°C)
Visibility 4.00 mi
Last update 21 Apr 03:10 PM PDT
Extended Forecast for

San Mateo CA

  • Tonight

    Tonight: Mostly clear, with a low around 47. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Mostly Clear

    Low: 47 °F

  • Thursday

    Thursday: Sunny, with a high near 64. South southwest wind 5 to 14 mph, with gusts as high as 24 mph.

    Sunny

    High: 64 °F

  • Thursday
    Night

    Thursday Night: Increasing clouds, with a low around 47. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Increasing
    Clouds

    Low: 47 °F

  • Friday

    Friday: Mostly sunny, with a high near 66. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Mostly Sunny

    High: 66 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 48. West wind 5 to 14 mph, with gusts as high as 21 mph.

    Mostly Cloudy

    Low: 48 °F

  • Saturday

    Saturday: Mostly cloudy, with a high near 64.

    Mostly Cloudy

    High: 64 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of rain after 11pm.  Cloudy, with a low around 51.

    Chance Rain

    Low: 51 °F

  • Sunday

    Sunday: Rain.  Cloudy, with a high near 60.

    Rain

    High: 60 °F

  • Sunday
    Night

    Sunday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 47.

    Rain Likely

    Low: 47 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 64. South southwest wind 5 to 14 mph, with gusts as high as 24 mph.
Thursday Night
Increasing clouds, with a low around 47. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 66. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 48. West wind 5 to 14 mph, with gusts as high as 21 mph.
Saturday
Mostly cloudy, with a high near 64.
Saturday Night
A 30 percent chance of rain after 11pm. Cloudy, with a low around 51.
Sunday
Rain. Cloudy, with a high near 60.
Sunday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 47.
Monday
A slight chance of rain. Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 71.
Click Map For Forecast
Point Forecast:
San Mateo CA
 37.56°N 122.33°W (Elev. 108 ft)
3:02 pm PDT Apr 21, 2021
3pm PDT Apr 21, 2021-6pm PDT Apr 28, 2021
 
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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