Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

56°F

13°C

Humidity 80%
Wind Speed W 5 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 01 Jul 01:56 AM PDT
Extended Forecast for

Foster City CA

  • Overnight

    Overnight: Mostly clear, with a low around 54. South southwest wind 6 to 8 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. South wind 5 to 13 mph becoming west in the morning. Winds could gust as high as 18 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 54. Southwest wind 6 to 10 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 72. West southwest wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Southwest wind 6 to 13 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Independence Day

    Independence Day: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 54. South southwest wind 6 to 8 mph.
Wednesday
Sunny, with a high near 74. South wind 5 to 13 mph becoming west in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Increasing clouds, with a low around 54. Southwest wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 72. West southwest wind 6 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 55. Southwest wind 6 to 13 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 56.
Independence Day
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.55°N 122.27°W (Elev. 33 ft)
1:26 am PDT Jul 1, 2026
2am PDT Jul 1, 2026-6pm PDT Jul 7, 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