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Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
50°F
10°C
| Humidity | 56% |
| Wind Speed | NW 5 MPH |
| Barometer | NA |
| Dewpoint | 35°F (2°C) |
| Visibility | NA |
| Wind Chill | 48°F (9°C) |
| Last update | 24 Nov 07:10 PM PST |
Extended Forecast for
Clayton CA
Tonight
Low: 46 °F
Mostly Clear
Tuesday
High: 58 °F
Sunny
Tuesday Night
Low: 45 °F
Mostly Clear
Wednesday
High: 57 °F
Sunny
Wednesday Night
Low: 46 °F
Partly Cloudy
Thanksgiving Day
High: 57 °F
Mostly Sunny
Thursday Night
Low: 46 °F
Mostly Clear
Friday
High: 58 °F
Mostly Sunny
Friday Night
Low: 45 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 46. Calm wind becoming east around 5 mph after midnight.
Tuesday
Sunny, with a high near 58. Northeast wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 45. East wind 3 to 5 mph.
Wednesday
Sunny, with a high near 57. East northeast wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 46. East wind around 5 mph becoming calm in the evening.
Thanksgiving Day
Mostly sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 55.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Clayton CA
37.91°N 121.96°W (Elev. 1299 ft)
37.91°N 121.96°W (Elev. 1299 ft)
1:22 pm PST Nov 24, 2025
7pm PST Nov 24, 2025-6pm PST Dec 1, 2025
Additional Resources
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Hourly Weather Forecast
