Thunderstorms, Rain, Flooding and Snow Over the Weekend

A cold front will produce isolated strong to severe thunderstorms, locally heavy rain and possible flooding from Texas and the Arklatex to the Ohio Valley and central Appalachians this weekend. Meanwhile, a narrow streak of heavy snow is likely across Upper portions of the Midwest, Mississippi Valley and Great Lakes. Finally, dangerous Santa Ana winds are expected across southern California. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Clear

54°F

12°C

Humidity 66%
Wind Speed WNW 19 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 27 Feb 06:50 PM PST
Extended Forecast for

San Mateo CA

  • Tonight

    Tonight: Mostly clear, with a low around 44. North northwest wind 7 to 11 mph, with gusts as high as 18 mph.

    Mostly Clear

    Low: 44 °F

  • Sunday

    Sunday: Sunny, with a high near 66. Calm wind becoming north northeast around 6 mph in the morning.

    Sunny

    High: 66 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 43. Light and variable wind.

    Mostly Clear

    Low: 43 °F

  • Monday

    Monday: Sunny, with a high near 65. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    Sunny

    High: 65 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 43. West southwest wind around 5 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 43 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    Mostly Sunny

    High: 64 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 44.

    Partly Cloudy

    Low: 44 °F

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    Sunny

    High: 63 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 44.

    Mostly Clear

    Low: 44 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 44. North northwest wind 7 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 66. Calm wind becoming north northeast around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 43. Light and variable wind.
Monday
Sunny, with a high near 65. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 43. West southwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
A slight chance of rain. Partly sunny, with a high near 65.
Friday Night
A chance of rain. Mostly cloudy, with a low around 47.
Saturday
Rain likely. Partly sunny, with a high near 62.
Click Map For Forecast
Point Forecast:
San Mateo CA
 37.56°N 122.33°W (Elev. 108 ft)
3:02 pm PST Feb 27, 2021
7pm PST Feb 27, 2021-6pm PST Mar 6, 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