
Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday
Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >
Current conditions at
San Francisco, San Francisco International Airport (KSFO)
Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.
Clear
57°F
14°C
| Humidity | 82% |
| Wind Speed | E 3 MPH |
| Barometer | 30.05 in (1017.61 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 23 Mar 09:20 AM PDT |
Extended Forecast for
Foster City CA
Today

High: 74 °F
Sunny
Tonight

Low: 52 °F
Clear
Tuesday

High: 77 °F
Sunny
Tuesday Night

Low: 51 °F
Clear
Wednesday

High: 72 °F
Sunny
Wednesday Night

Low: 48 °F
Mostly Clear
Thursday

High: 73 °F
Mostly Sunny
Thursday Night

Low: 52 °F
Mostly Cloudy
Friday

High: 77 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 74. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tonight
Clear, with a low around 52. West northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 77. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night
Clear, with a low around 51. West northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 72. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 72.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Foster City CA
37.57°N 122.27°W (Elev. 3 ft)
37.57°N 122.27°W (Elev. 3 ft)
8:27 am PDT Mar 23, 2026
9am PDT Mar 23, 2026-6pm PDT Mar 29, 2026


