Bethel Island Weather Forecast

    • 34
    • 64

    Mostly Sunny

    • 36
    • 62

    Mostly Sunny

    • 38
    • 63

    Mostly Sunny

    • 42
    • 63

    Mostly Sunny

    • 42
    • 64

    Mostly Sunny

    • 42
    • 63

    Mostly Sunny

Today 12 Dec East Bay Interior Valleys

Sunny. Highs in the mid 60s. Northeast Winds 5 to 10 Mph.

Tonight 12 Dec East Bay Interior Valleys

Clear except for frost after midnight. Lows in the mid to upper 30s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bethel Island Temperature Statistics

December Temperature

Concord, Buchanan Field (22.4 miles)

  • Lowest 10 December, 2017

    35.1 °F
  • Average December

    51.1 °F
  • Highest 5 December, 2017

    66.9 °F

Climate (2010–Present)

Concord, Buchanan Field (22.4 miles)

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  • Average Low 2010–Present

    51.5 °F
  • Average 2010–Present

    62 °F
  • Average High 2010–Present

    74.6 °F
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