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Current conditions at
BLACK DIAMOND (PIBC1)
Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.NA
40°F
4°C
| Humidity | 100% |
| Wind Speed | NNE 10 MPH |
| Barometer | NA |
| Dewpoint | 40°F (4°C) |
| Visibility | NA |
| Wind Chill | 34°F (1°C) |
| Last update | 29 Nov 07:28 PM PST |
Extended Forecast for
Brentwood CA
Tonight
Low: 41 °F
Mostly Cloudy
Sunday
High: 56 °F
Patchy Fog
then Mostly
SunnySunday Night
Low: 40 °F
Partly Cloudy
Monday
High: 58 °F
Mostly Sunny
Monday Night
Low: 41 °F
Partly Cloudy
Tuesday
High: 61 °F
Mostly Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Wednesday
High: 62 °F
Sunny
Wednesday Night
Low: 41 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 41. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 56. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 40. Calm wind.
Monday
Mostly sunny, with a high near 58. Calm wind becoming north northeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 41. Calm wind.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 61.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Brentwood CA
37.93°N 121.7°W (Elev. 75 ft)
37.93°N 121.7°W (Elev. 75 ft)
12:26 pm PST Nov 29, 2025
7pm PST Nov 29, 2025-6pm PST Dec 6, 2025
Additional Resources
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