National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

48°F

9°C

Humidity 92%
Wind Speed S 16 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 19 Oct 06:28 AM PDT
Extended Forecast for

3 Miles ENE Bethel Island CA

  • Today

    Today: Sunny, with a high near 68. West wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. West wind 5 to 10 mph becoming light southwest after midnight.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 64 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 57. Calm wind becoming west northwest around 5 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 65. West northwest wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 56. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 68. West wind 9 to 13 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 54. West wind 5 to 10 mph becoming light southwest after midnight.
Tuesday
Mostly cloudy, with a high near 64. Calm wind becoming north northwest around 5 mph in the afternoon.
Tuesday Night
A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 57. Calm wind becoming west northwest around 5 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 65. West northwest wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Sunny, with a high near 69.
Friday Night
Clear, with a low around 50.
Saturday
Sunny, with a high near 69.
Saturday Night
A slight chance of rain. Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Bethel Island CA
 38.06°N 121.59°W (Elev. 3 ft)
Last Update:
2:37 am PDT Oct 19, 2026
Forecast Valid:
7am PDT Oct 19, 2026-6pm PDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation