Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
52°F
11°C
| Humidity | 40% |
| Wind Speed | WNW 16 MPH |
| Barometer | NA |
| Dewpoint | 29°F (-2°C) |
| Visibility | NA |
| Last update | 16 May 12:35 AM PDT |
Extended Forecast for
4 Miles S Clayton CA
Overnight
Low: 49 °F
Clear
Saturday
High: 76 °F
Sunny
Saturday Night
Low: 46 °F
Mostly Clear
Sunday
High: 77 °F
Sunny then
Sunny and
BreezySunday Night
Low: 56 °F
Clear and
BreezyMonday
High: 85 °F
Sunny and
BreezyMonday Night
Low: 51 °F
Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 53 °F
Clear
Detailed Forecast
Overnight
Clear, with a low around 49. Northwest wind 11 to 14 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 76. West northwest wind around 15 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 46. West northwest wind 9 to 13 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 77. Breezy, with a north wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.
Sunday Night
Clear, with a low around 56. Breezy, with a north wind 20 to 24 mph, with gusts as high as 44 mph.
Monday
Sunny, with a high near 85. Breezy.
Monday Night
Clear, with a low around 51.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 53.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Clear, with a low around 53.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 82.
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)
1:06 am PDT May 16, 2026
1am PDT May 16, 2026-6pm PDT May 22, 2026
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