
Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.
Gusty winds and low relative humidity will bring critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >
Hazardous Weather Conditions
Current conditions at
San Francisco, San Francisco International Airport (KSFO)
Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.
Partly Cloudy
50°F
10°C
| Humidity | 61% |
| Wind Speed | WNW 26 MPH |
| Barometer | 29.86 in (1011.18 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 43°F (6°C) |
| Last update | 19 Feb 06:00 PM PST |
Extended Forecast for
San Mateo CA
Cold Weather Advisory February 20, 01:00am until February 20, 09:00am
Tonight

Low: 42 °F
Increasing
CloudsFriday

High: 54 °F
Partly Sunny
Friday Night

Low: 42 °F
Partly Cloudy
Saturday

High: 58 °F
Partly Sunny
Saturday Night

Low: 51 °F
Chance Rain
Sunday

High: 63 °F
Chance Rain
Sunday Night

Low: 53 °F
Chance Rain
Monday

High: 65 °F
Rain Likely
Monday Night

Low: 56 °F
Rain
Detailed Forecast
Tonight
Increasing clouds, with a low around 42. West northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Friday
Partly sunny, with a high near 54. Light and variable wind.
Friday Night
Partly cloudy, with a low around 42. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Partly sunny, with a high near 58. South wind 7 to 14 mph, with gusts as high as 22 mph.
Saturday Night
A 30 percent chance of rain after 10pm. Partly cloudy, with a low around 51. South southeast wind 13 to 15 mph, with gusts as high as 24 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 50 percent chance of rain. Partly sunny, with a high near 63. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 53.
Monday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 65.
Monday Night
Rain. Mostly cloudy, with a low around 56.
Tuesday
Rain. Cloudy, with a high near 60.
Tuesday Night
Rain likely. Cloudy, with a low around 52.
Wednesday
Rain likely. Mostly cloudy, with a high near 62.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Mostly sunny, with a high near 63.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
San Mateo CA
37.58°N 122.33°W (Elev. 33 ft)
37.58°N 122.33°W (Elev. 33 ft)
12:26 pm PST Feb 19, 2026
6pm PST Feb 19, 2026-6pm PST Feb 26, 2026



