Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

63°F

17°C

Humidity 77%
Wind Speed SSW 24 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Jun 08:35 PM PDT
Extended Forecast for

Foster City CA

  • Tonight

    Tonight: Increasing clouds, with a low around 58. West southwest wind 6 to 11 mph becoming light southwest  after midnight. Winds could gust as high as 20 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Cloudy through mid morning, then gradual clearing, with a high near 73. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 73 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. Southwest wind 8 to 13 mph becoming light west southwest  after midnight. Winds could gust as high as 21 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 72. Light west southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 72 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. West wind 6 to 11 mph becoming light  after midnight.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Monday Night

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

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 58. West southwest wind 6 to 11 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.
Juneteenth
Cloudy through mid morning, then gradual clearing, with a high near 73. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 58. Southwest wind 8 to 13 mph becoming light west southwest after midnight. Winds could gust as high as 21 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 72. Light west southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 55. West wind 6 to 11 mph becoming light after midnight.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.57°N 122.27°W (Elev. 3 ft)
1:26 pm PDT Jun 18, 2026
8pm PDT Jun 18, 2026-6pm PDT Jun 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database