Bon Tempe Lake Weather Forecast

    • 59
    • 100

    Hot

    • 60
    • 88

    Mostly Sunny

    • 60
    • 81

    Partly Sunny

    • 60
    • 82

    Mostly Sunny

    • 60
    • 82

    Mostly Sunny

    • 59
    • 82

    Mostly Sunny

Today 16 Sep North Bay Interior Valleys

Sunny. Highs in the lower 80s to mid 90s. South Winds 5 to 10 Mph.

Tonight 16 Sep North Bay Interior Valleys

Clear. Lows in the lower 50s to mid 60s. West Winds 5 to 10 Mph.

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Bon Tempe Lake Temperature Statistics

September Temperature

Novato / Gnoss Field (13 miles)

  • Lowest 1 September, 2025

    51.8 °F

  • Average September

    66.1 °F

  • Highest 1 September, 2025

    89.6 °F

Climate (2020–Present)

Novato / Gnoss Field (13 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    57.5 °F

  • Average High 2020–2025

    72.6 °F
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