Lake Berryessa SPB Weather Forecast

    • 66
    • 88

    Sunny

    • 67
    • 90

    Sunny

    • 67
    • 91

    Mostly Sunny

    • 65
    • 83

    Chance Rain Showers

    • 63
    • 80

    Slight Chance Rain Showers

    • 62
    • 80

    Slight Chance Rain Showers

    • 64
    • 80

    Mostly Sunny

Today 15 Sep North Bay Interior Mountains

Sunny. Highs in the 80s to lower 90s. Southwest Winds around 5 Mph.

Tonight 15 Sep North Bay Interior Mountains

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

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  • Temperature Real-Time

Lake Berryessa SPB Temperature Statistics

September Temperature

Vacaville Nut Tree Airport (21.7 miles)

  • Lowest 7 September, 2025

    54 °F

  • Average September

    73 °F

  • Highest 1 September, 2025

    100.9 °F

Climate (2020–Present)

Vacaville Nut Tree Airport (21.7 miles)

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  • Average Low 2020–2025

    49 °F

  • Average 2020–2025

    63 °F

  • Average High 2020–2025

    77.2 °F
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