Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
43°F
6°C
| Humidity | 100% |
| Wind Speed | S 20 MPH |
| Barometer | NA |
| Dewpoint | 43°F (6°C) |
| Visibility | NA |
| Wind Chill | 34°F (1°C) |
| Last update | 11 Apr 02:50 PM PDT |
Extended Forecast for
4 Miles S Clayton CA
Tonight
Low: 41 °F
Showers and
BreezySunday
High: 44 °F
Showers and
BreezySunday Night
Low: 43 °F
Chance
Showers then
Partly CloudyMonday
High: 53 °F
Mostly Sunny
Monday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 57 °F
Sunny
Tuesday Night
Low: 46 °F
Mostly Clear
Wednesday
High: 57 °F
Sunny
Wednesday Night
Low: 48 °F
Partly Cloudy
Detailed Forecast
Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 41. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Steady temperature around 44. Breezy, with a south southwest wind 18 to 24 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 43. West southwest wind 8 to 17 mph, with gusts as high as 31 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 53. West northwest wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 46. West southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 59.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 64.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
1:26 pm PDT Apr 11, 2026
8pm PDT Apr 11, 2026-6pm PDT Apr 18, 2026
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