Current conditions at

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.

NA

59°F

15°C

Humidity 61%
Wind Speed S 18 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 15 Apr 05:28 PM PDT
Extended Forecast for

Bethel Island CA

  • Tonight

    Tonight: Mostly clear, with a low around 47. West wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. North northwest wind 11 to 20 mph, with gusts as high as 29 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48. North northwest wind 11 to 16 mph, with gusts as high as 29 mph.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 74. North wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. North northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 11am.  Partly sunny, with a high near 72.

    High: 72 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 47. West wind 8 to 14 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 68. North northwest wind 11 to 20 mph, with gusts as high as 29 mph.
Thursday Night
Clear, with a low around 48. North northwest wind 11 to 16 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 74. North wind 8 to 10 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 46. North northwest wind 5 to 7 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
A slight chance of rain after 11am. Partly sunny, with a high near 72.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 50.
Monday
A chance of rain. Partly sunny, with a high near 68.
Monday Night
A chance of rain. Mostly cloudy, with a low around 51.
Tuesday
A chance of rain. Partly sunny, with a high near 65.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Bethel Island CA
 38.03°N 121.64°W (Elev. 3 ft)
2:41 pm PDT Apr 15, 2026
6pm PDT Apr 15, 2026-6pm PDT Apr 22, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database