Current conditions at
DIABLO GRANDE (DBLC1)
Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.NA
69°F
21°C
| Humidity | 50% |
| Wind Speed | SSW 2 MPH |
| Barometer | NA |
| Dewpoint | 50°F (10°C) |
| Visibility | NA |
| Last update | 20 Sep 08:00 PM PDT |
Extended Forecast for
20 Miles E Mount Hamilton CA
Tonight

Low: 59 °F
Partly Cloudy
Monday

High: 81 °F
Sunny
Monday Night

Low: 59 °F
Mostly Clear
Tuesday

High: 84 °F
Sunny
Tuesday Night

Low: 65 °F
Clear
Wednesday

High: 89 °F
Sunny
Wednesday Night

Low: 71 °F
Mostly Clear
Thursday

High: 92 °F
Sunny
Thursday Night

Low: 69 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 59. Light west southwest wind.
Monday
Sunny, with a high near 81. West wind 5 to 8 mph becoming east southeast in the morning.
Monday Night
Mostly clear, with a low around 59. Light and variable wind.
Tuesday
Sunny, with a high near 84. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Tuesday Night
Clear, with a low around 65. North wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 80.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
20 Miles E Mount Hamilton CA
37.38°N 121.28°W (Elev. 1401 ft)
37.38°N 121.28°W (Elev. 1401 ft)
2:00 pm PDT Sep 20, 2026
9pm PDT Sep 20, 2026-6pm PDT Sep 27, 2026


