Bethany Reservoir Weather Forecast

    • 67
    • 90

    Partly Sunny

    • 71
    • 96

    Mostly Sunny

    • 65
    • 94

    Sunny

    • 62
    • 88

    Sunny

    • 63
    • 91

    Sunny

    • 63
    • 92

    Sunny

    • 64
    • 93

    Sunny

Today 20 Jul East Bay Interior Valleys

Partly cloudy. A slight chance of Showers. Highs in the 80s. West Winds 10 to 15 Mph.

Tonight 20 Jul East Bay Interior Valleys

Partly cloudy. A slight chance of Showers. Lows in the lower 60s. West Winds 5 to 10 Mph.

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Bethany Reservoir Temperature Statistics

July Temperature

Livermore, Livermore Municipal Airport (12.4 miles)

  • Lowest 11 July, 2026

    53.7 °F

  • Average July

    72.3 °F

  • Highest 14 July, 2026

    102.7 °F

Climate (2021–2026)

Livermore, Livermore Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    49 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    74.1 °F
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