Tracking Storm System Across the Eastern U.S.
A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. 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 | 29% |
| Wind Speed | ENE 5 MPH |
| Barometer | NA |
| Dewpoint | 27°F (-3°C) |
| Visibility | NA |
| Last update | 18 Oct 07:35 AM PDT |
Extended Forecast for
4 Miles SSE Clayton CA
Today
High: 70 °F
Sunny
Tonight
Low: 58 °F
Clear
Sunday
High: 70 °F
Sunny
Sunday Night
Low: 58 °F
Mostly Clear
Monday
High: 70 °F
Sunny
Monday Night
Low: 58 °F
Clear
Tuesday
High: 70 °F
Sunny
Tuesday Night
Low: 57 °F
Mostly Clear
Wednesday
High: 65 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 70. East wind 5 to 7 mph.
Tonight
Clear, with a low around 58. Calm wind becoming south southwest 5 to 7 mph after midnight.
Sunday
Sunny, with a high near 70. West wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 58. West wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 70. North northeast wind around 7 mph, with gusts as high as 22 mph.
Monday Night
Clear, with a low around 58.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 64.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SSE Clayton CA
37.9°N 121.9°W (Elev. 1814 ft)
37.9°N 121.9°W (Elev. 1814 ft)
1:26 am PDT Oct 18, 2025
7am PDT Oct 18, 2025-6pm PDT Oct 24, 2025
Additional Resources
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Hourly Weather Forecast
