Tropical System Impacts for the East; Severe Weather and Heavy Rainfall Threats

Heavy rain and dangerous surf conditions up the East Coast are forecast as tropical storm conditions approach late this week and into the weekend. Meanwhile, strong to severe thunderstorms are expected to impact portions of the central U.S. including heavy to excessive rainfall through Saturday. For the Intermountain region, below normal temperatures and some snow for the higher terrain. 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 72%
Wind Speed SW 3 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 Sep 03:00 AM PDT
Extended Forecast for

San Mateo CA

  • Overnight

    Overnight: Mostly clear, with a low around 54. South southwest wind around 9 mph.

    Mostly Clear

    Low: 54 °F

  • Friday

    Friday: Sunny, with a high near 73. South southwest wind 5 to 11 mph.

    Sunny

    High: 73 °F

  • Friday
    Night

    Friday Night: Increasing clouds, with a low around 54. West southwest wind 6 to 11 mph.

    Increasing
    Clouds

    Low: 54 °F

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 72. West southwest wind 5 to 10 mph.

    Becoming
    Sunny

    High: 72 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 55. West wind 8 to 13 mph becoming light west southwest  after midnight.

    Mostly Clear

    Low: 55 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    Mostly Sunny

    High: 75 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 57.

    Partly Cloudy

    Low: 57 °F

  • Monday

    Monday: A slight chance of drizzle after 11am.  Partly sunny, with a high near 77.

    Slight Chance
    Drizzle

    High: 77 °F

  • Monday
    Night

    Monday Night: A chance of drizzle.  Mostly cloudy, with a low around 58.

    Chance
    Drizzle

    Low: 58 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 54. South southwest wind around 9 mph.
Friday
Sunny, with a high near 73. South southwest wind 5 to 11 mph.
Friday Night
Increasing clouds, with a low around 54. West southwest wind 6 to 11 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 72. West southwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 55. West wind 8 to 13 mph becoming light west southwest after midnight.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 57.
Monday
A slight chance of drizzle after 11am. Partly sunny, with a high near 77.
Monday Night
A chance of drizzle. Mostly cloudy, with a low around 58.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
San Mateo CA
 37.56°N 122.33°W (Elev. 108 ft)
1:36 am PDT Sep 22, 2023
3am PDT Sep 22, 2023-6pm PDT Sep 28, 2023
 
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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