Bethel Island Weather Forecast

    • 58
    • 91

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 57
    • 86

    Mostly Sunny

    • 58
    • 87

    Mostly Sunny

    • 60
    • 91

    Mostly Sunny

    • 60
    • 92

    Mostly Sunny

Today 4 Aug East Bay Interior Valleys

Sunny. Highs in the 80s. Southwest Winds 5 to 15 Mph.

Tonight 4 Aug East Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy drizzle after midnight. Lows in the upper 50s. Southwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bethel Island Temperature Statistics

August Temperature

Concord, Buchanan Field (22.4 miles)

  • Lowest 1 August, 2020

    59 °F
  • Average August

    73.4 °F
  • Highest 1 August, 2020

    93 °F

Climate (2010–Present)

Concord, Buchanan Field (22.4 miles)

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  • Average Low 2010–Present

    51.9 °F
  • Average 2010–Present

    62.1 °F
  • Average High 2010–Present

    74.8 °F
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