
Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.
Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >
Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
62°F
17°C
| Humidity | 33% |
| Wind Speed | NNW 3 MPH |
| Barometer | NA |
| Dewpoint | 33°F (1°C) |
| Visibility | NA |
| Last update | 28 Mar 08:10 AM PDT |
Extended Forecast for
Clayton CA
Today

High: 78 °F
Sunny
Tonight

Low: 56 °F
Mostly Clear
Sunday

High: 80 °F
Sunny
Sunday Night

Low: 58 °F
Partly Cloudy
Monday

High: 71 °F
Partly Sunny
Monday Night

Low: 52 °F
Mostly Cloudy
Tuesday

High: 65 °F
Slight Chance
RainTuesday Night

Low: 49 °F
Chance Rain
Wednesday

High: 64 °F
Chance Rain
Detailed Forecast
Today
Sunny, with a high near 78. West wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 56. South wind 5 to 7 mph.
Sunday
Sunny, with a high near 80. West wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 58. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Monday
Partly sunny, with a high near 71. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 65.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A chance of rain, mainly after 11am. Mostly sunny, with a high near 64.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Thursday
A slight chance of rain. Sunny, with a high near 63.
Thursday Night
Clear, with a low around 46.
Friday
Sunny, with a high near 69.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Clayton CA
37.91°N 121.96°W (Elev. 1299 ft)
37.91°N 121.96°W (Elev. 1299 ft)
2:41 am PDT Mar 28, 2026
10am PDT Mar 28, 2026-6pm PDT Apr 3, 2026


