Dangerous Heat and Possible Flooding This Week
Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >
Current conditions at
San Francisco, San Francisco International Airport (KSFO)
Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.Mist
57°F
14°C
| Humidity | 87% |
| Wind Speed | W 5 MPH |
| Barometer | 29.86 in (1011.18 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 5.00 mi |
| Last update | 15 Sep 02:20 AM PDT |
Extended Forecast for
San Mateo CASimilar City Names
Overnight
Low: 56 °F
Mostly Clear
Tuesday
High: 76 °F
Sunny
Tuesday Night
Low: 57 °F
Mostly Clear
Wednesday
High: 73 °F
Mostly Sunny
Wednesday Night
Low: 58 °F
Partly Cloudy
Thursday
High: 78 °F
Mostly Sunny
Thursday Night
Low: 57 °F
Mostly Clear
Friday
High: 79 °F
Sunny
Friday Night
Low: 58 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 56. Southwest wind around 6 mph.
Tuesday
Sunny, with a high near 76. Light southwest wind becoming west southwest 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 57. South southwest wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 73. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 58. West wind 8 to 13 mph becoming light southwest after midnight. Winds could gust as high as 21 mph.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
San Mateo CASimilar City Names
37.56°N 122.33°W (Elev. 108 ft)
37.56°N 122.33°W (Elev. 108 ft)
2:21 am PDT Sep 15, 2026
2am PDT Sep 15, 2026-6pm PDT Sep 21, 2026
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