Lake Boris Weather Forecast

    • 63
    • 96

    Sunny

    • 63
    • 97

    Hot

    • 61
    • 87

    Slight Chance Rain Showers

    • 58
    • 83

    Slight Chance Rain Showers

    • 59
    • 84

    Partly Sunny

    • 62
    • 90

    Mostly Sunny

Today 16 Sep East Bay Interior Valleys

Sunny. Highs in the upper 90s. West Winds 5 to 10 Mph.

Tonight 16 Sep East Bay Interior Valleys

Clear. Lows in the lower 60s. Light Winds.

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Lake Boris Temperature Statistics

September Temperature

Livermore, Livermore Municipal Airport (1.9 miles)

  • Lowest 8 September, 2025

    57.9 °F

  • Average September

    68.8 °F

  • Highest 1 September, 2025

    100.9 °F

Climate (2020–Present)

Livermore, Livermore Municipal Airport (1.9 miles)

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  • Average Low 2020–2025

    48.7 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    74.2 °F
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