Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
N/A
| Humidity | 28% |
| Wind Speed | NW 9 MPH |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | 17 May 05:05 PM PDT |
Extended Forecast for
4 Miles S Clayton CA
This Afternoon
High: 88 °F
Sunny
Tonight
Low: 50 °F
Clear
Friday
High: 82 °F
Sunny
Friday Night
Low: 48 °F
Mostly Clear
Saturday
High: 77 °F
Sunny
Saturday Night
Low: 48 °F
Mostly Clear
Sunday
High: 73 °F
Sunny
Sunday Night
Low: 47 °F
Mostly Clear
Memorial Day
High: 69 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 88. West wind around 11 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 50. West southwest wind 7 to 9 mph becoming south after midnight. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 82. South wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly clear, with a low around 48. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 77. West wind 9 to 11 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 47.
Memorial Day
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles S Clayton CA
37.87°N 121.95°W (Elev. 1509 ft)
37.87°N 121.95°W (Elev. 1509 ft)
1:26 pm PDT May 21, 2026
2pm PDT May 21, 2026-6pm PDT May 27, 2026
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