
Dangerous Heat and Possible Flooding
Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >
Current conditions at
BLACK DIAMOND (PIBC1)
Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.NA
N/A
| Humidity | 25% |
| Wind Speed | SE 9 MPH |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | 10 Aug 02:28 AM PDT |
Extended Forecast for
Bethel Island CA
Tonight
Low: 67 °F
Mostly Cloudy
then Slight
Chance
ShowersFriday

High: 83 °F
Slight Chance
ShowersFriday Night

Low: 60 °F
Mostly Clear
Saturday

High: 83 °F
Sunny
Saturday Night

Low: 58 °F
Clear
Sunday

High: 83 °F
Sunny
Sunday Night

Low: 58 °F
Clear
Monday

High: 79 °F
Sunny
Monday Night

Low: 56 °F
Mostly Clear
Detailed Forecast
Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 67. West wind 5 to 10 mph becoming light northwest. Winds could gust as high as 20 mph.
Friday
A 20 percent chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 83. Light west southwest wind becoming west 6 to 11 mph in the morning.
Friday Night
Mostly clear, with a low around 60. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 83. West southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Clear, with a low around 58. Southwest wind 5 to 14 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 83.
Sunday Night
Clear, with a low around 58.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 78.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 81.
Wednesday Night
A slight chance of showers. Mostly clear, with a low around 59.
Thursday
A slight chance of showers. Sunny, with a high near 81.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Bethel Island CA
38.03°N 121.64°W (Elev. 3 ft)
38.03°N 121.64°W (Elev. 3 ft)
1:42 pm PDT Aug 27, 2026
6pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026


