Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.
Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >
Hazardous Weather Conditions
Current conditions at
San Francisco, San Francisco International Airport (KSFO)
Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.
Mostly Cloudy
50°F
10°C
| Humidity | 92% |
| Wind Speed | N 0 MPH |
| Barometer | 30.07 in (1018.29 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 07 Jan 12:56 AM PST |
Extended Forecast for
Foster City CA
Extreme Cold Watch January 9, 01:00am until January 9, 09:00am
Overnight
Low: 49 °F
Mostly Cloudy
Wednesday
High: 58 °F
Decreasing
CloudsWednesday Night
Low: 45 °F
Mostly Clear
Thursday
High: 56 °F
Sunny
Thursday Night
Low: 40 °F
Mostly Clear
Friday
High: 56 °F
Sunny
Friday Night
Low: 40 °F
Partly Cloudy
Saturday
High: 58 °F
Mostly Sunny
Saturday Night
Low: 42 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 49. Calm wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 58. Northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 45. West northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 56. North northwest wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around 40. North northeast wind 5 to 7 mph.
Friday
Sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 62.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
12:26 am PST Jan 7, 2026
1am PST Jan 7, 2026-6pm PST Jan 13, 2026
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