Current conditions at
DIABLO GRANDE (DBLC1)
Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.NA
48°F
9°C
| Humidity | 78% |
| Wind Speed | S 12 MPH |
| Barometer | NA |
| Dewpoint | 41°F (5°C) |
| Visibility | NA |
| Wind Chill | 43°F (6°C) |
| Last update | 11 Oct 05:00 AM PDT |
Extended Forecast for
16 Miles ESE Mount Hamilton CA
Today

High: 71 °F
Sunny
Tonight
Low: 47 °F
Mostly Clear
then Slight
Chance RainColumbus Day

High: 68 °F
Partly Sunny
Monday Night

Low: 47 °F
Decreasing
CloudsTuesday

High: 74 °F
Sunny
Tuesday Night

Low: 50 °F
Clear
Wednesday

High: 78 °F
Sunny
Wednesday Night

Low: 54 °F
Clear
Thursday

High: 82 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 71. West wind 6 to 11 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Tonight
A 20 percent chance of rain between 3am and 4am. Partly cloudy, with a low around 47. West southwest wind 5 to 9 mph becoming calm after midnight. New precipitation amounts of less than a tenth of an inch possible.
Columbus Day
Partly sunny, with a high near 68. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 47. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 74. Calm wind becoming north 5 to 9 mph in the morning.
Tuesday Night
Clear, with a low around 50.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 58.
Friday
Sunny, with a high near 86.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 87.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
16 Miles ESE Mount Hamilton CA
37.28°N 121.37°W (Elev. 1201 ft)
37.28°N 121.37°W (Elev. 1201 ft)
2:01 am PDT Oct 11, 2026
5am PDT Oct 11, 2026-6pm PDT Oct 17, 2026


