Heavy Rainfall on the Western Gulf Coast; Severe Thunderstorms in the Southern Plains Friday

A multi-day heavy rainfall event will continue over the western Gulf Coast through Monday. Slight Risks of excessive rainfall have been issued, and Flood Watches remain in effect through Monday evening. Scattered severe storms capable of producing large hail and damaging winds are possible across western portions of Texas and Oklahoma on Friday. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mist

52°F

11°C

Humidity 87%
Wind Speed NW 10 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 48°F (9°C)
Visibility 6.00 mi
Last update 22 May 01:20 AM PDT
Extended Forecast for

Foster City CA

  • Overnight

    Overnight: Mostly clear, with a low around 53. West wind around 5 mph becoming calm.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 63. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 18 mph.

    High: 63 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. West wind 6 to 11 mph becoming light west southwest  after midnight.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. Light southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 20 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. West wind 6 to 15 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 54 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 53. West wind around 5 mph becoming calm.
Friday
Partly sunny, then gradually becoming sunny, with a high near 63. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 54. West wind 6 to 11 mph becoming light west southwest after midnight.
Saturday
Sunny, with a high near 62. Light southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 54. West wind 6 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 54.
Memorial Day
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Clear, with a low around 53.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.57°N 122.24°W (Elev. 0 ft)
1:26 am PDT May 22, 2026
1am PDT May 22, 2026-6pm PDT May 28, 2026
 
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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