
Tracking Weekend Storm Impacts
A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >
Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
59°F
15°C
| Humidity | 50% |
| Wind Speed | NW 2 MPH |
| Barometer | NA |
| Dewpoint | 41°F (5°C) |
| Visibility | NA |
| Last update | 06 Dec 10:25 AM PST |
Extended Forecast for
4 Miles S Clayton CA
Today

High: 55 °F
Sunny
Tonight

Low: 49 °F
Mostly Clear
Sunday

High: 55 °F
Mostly Sunny
Sunday Night

Low: 43 °F
Mostly Clear
Monday

High: 53 °F
Sunny
Monday Night

Low: 44 °F
Mostly Clear
Tuesday

High: 53 °F
Mostly Sunny
Tuesday Night

Low: 46 °F
Partly Cloudy
Wednesday

High: 55 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 55. North northwest wind 6 to 8 mph.
Tonight
Mostly clear, with a steady temperature around 49. North northeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 55. Light and variable wind.
Sunday Night
Mostly clear, with a low around 43. Light and variable wind.
Monday
Sunny, with a high near 53. North northwest wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 52.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles S Clayton CA
37.87°N 121.92°W (Elev. 2818 ft)
37.87°N 121.92°W (Elev. 2818 ft)
2:54 am PST Dec 6, 2025
10am PST Dec 6, 2025-6pm PST Dec 12, 2025


