Bethel Island Weather Forecast

    • 52
    • 63

    Mostly Cloudy

    • 52
    • 69

    Mostly Sunny

    • 52
    • 71

    Mostly Sunny

    • 53
    • 71

    Partly Sunny

    • 51
    • 67

    Mostly Cloudy

    • 51
    • 67

    Partly Sunny

Today 26 Oct East Bay Interior Valleys

Partly cloudy in the morning then becoming mostly cloudy. A slight chance of rain in the afternoon. Highs in the mid 60s. South Winds 5 to 10 Mph.

Tonight 26 Oct East Bay Interior Valleys

Mostly cloudy. Lows in the lower 50s. West Winds around 5 Mph. Becoming northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bethel Island Temperature Statistics

October Temperature

Concord, Buchanan Field (22.4 miles)

  • Lowest 19 October, 2021

    44.1 °F

  • Average October

    63.2 °F

  • Highest 2 October, 2021

    91.9 °F

Climate (2010–Present)

Concord, Buchanan Field (22.4 miles)

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  • Average Low 2010–Present

    51.9 °F

  • Average 2010–Present

    62.4 °F

  • Average High 2010–Present

    75.7 °F
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