Winter Weather in the Eastern U.S.; Fire Weather in the Southern High Plains
A wintry mix may impact travel across portions of the Ohio Valley, central Appalachians, Mid-Atlantic, and Northeast U.S. today through Tuesday. Gusty winds and low relative humidity will bring elevated to critical fire weather to northeastern New Mexico and southeastern Colorado today and Tuesday. Read More >
Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
42°F
6°C
| Humidity | 99% |
| Wind Speed | SW 12 MPH |
| Barometer | NA |
| Dewpoint | 42°F (6°C) |
| Visibility | NA |
| Wind Chill | 35°F (2°C) |
| Last update | 02 Mar 06:25 AM PST |
Extended Forecast for
3 Miles S Clayton CA
Today
High: 56 °F
Mostly Sunny
Tonight
Low: 46 °F
Partly Cloudy
Tuesday
High: 61 °F
Sunny
Tuesday Night
Low: 45 °F
Increasing
CloudsWednesday
High: 59 °F
Mostly Sunny
Wednesday Night
Low: 42 °F
Clear
Thursday
High: 60 °F
Sunny
Thursday Night
Low: 46 °F
Clear
Friday
High: 64 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 56. West northwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 46. West southwest wind around 9 mph.
Tuesday
Sunny, with a high near 61. West wind 6 to 9 mph, with gusts as high as 18 mph.
Tuesday Night
Increasing clouds, with a low around 45. Southwest wind around 13 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 59. West wind 15 to 18 mph, with gusts as high as 34 mph.
Wednesday Night
Clear, with a low around 42.
Thursday
Sunny, with a high near 60.
Thursday Night
Clear, with a low around 46.
Friday
Sunny, with a high near 64.
Friday Night
Clear, with a low around 48.
Saturday
Sunny, with a high near 67.
Saturday Night
Clear, with a low around 48.
Sunday
Sunny, with a high near 69.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles S Clayton CA
37.9°N 121.92°W (Elev. 1900 ft)
37.9°N 121.92°W (Elev. 1900 ft)
11:22 am PST Mar 2, 2026
11am PST Mar 2, 2026-6pm PDT Mar 8, 2026
Additional Resources
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