Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927° N Lon: 121.29538° W Elev: 1861.0 ft.

NA

71°F

22°C

Humidity 14%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 14 Oct 11:00 AM PDT
Detailed forecast for

Eastern Diablo Range Above 1000 ft

Today
Sunny, warmer. Highs 71 to 81. Light winds becoming north around 10 mph with gusts to around 20 mph in the afternoon.
Tonight
Clear. Lows 50 to 60. Light winds.
Thursday
Sunny. Highs 74 to 84. Light winds becoming northeast around 10 mph in the afternoon. Gusts up to 20 mph.
Thursday Night
Clear. Lows 55 to 65. Light winds.
Friday
Sunny. Highs 79 to 89. Light winds becoming east around 10 mph in the afternoon.
Friday Night
Clear. Lows 58 to 68.
Saturday
Sunny. Highs 81 to 91.
Saturday Night And Sunday
Clear. Lows 54 to 64. Highs 78 to 88.
Sunday Night
Clear, colder. Lows 43 to 53.
Monday And Monday Night
Mostly clear. Cooler. Highs 63 to 73. Lows 43 to 53.
Tuesday
Partly cloudy with a slight chance of rain. Highs 59 to 68.



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1132 AM PDT Wed Oct 14 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database