Current conditions at
SJSU - Mount Diablo Summit Museum Rooftop (SJS02)
Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.NA
42°F
6°C
| Humidity | 97% |
| Wind Speed | WNW 13 MPH |
| Barometer | NA |
| Dewpoint | 41°F (5°C) |
| Visibility | NA |
| Wind Chill | 35°F (2°C) |
| Last update | 15 Apr 10:25 PM PDT |
Extended Forecast for
3 Miles S Clayton CA
Overnight

Low: 42 °F
Partly Cloudy
Thursday

High: 60 °F
Sunny
Thursday Night

Low: 45 °F
Clear
Friday

High: 65 °F
Sunny
Friday Night

Low: 47 °F
Mostly Clear
Saturday

High: 68 °F
Mostly Sunny
Saturday Night

Low: 50 °F
Mostly Cloudy
Sunday

High: 65 °F
Mostly Sunny
Sunday Night

Low: 51 °F
Chance Rain
Detailed Forecast
Overnight
Partly cloudy, with a low around 42. West wind 10 to 15 mph becoming north northwest. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 60. North wind 13 to 18 mph, with gusts as high as 37 mph.
Thursday Night
Clear, with a low around 45. North northwest wind 11 to 17 mph, with gusts as high as 38 mph.
Friday
Sunny, with a high near 65. North wind 9 to 11 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 47. Northwest wind 7 to 9 mph becoming southwest after midnight.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 51.
Monday
A chance of rain. Mostly cloudy, with a high near 59.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Partly sunny, with a high near 56.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 60.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles S Clayton CA
37.9°N 121.92°W (Elev. 1900 ft)
37.9°N 121.92°W (Elev. 1900 ft)
11:26 pm PDT Apr 15, 2026
12am PDT Apr 16, 2026-6pm PDT Apr 22, 2026


