Mount Vaca Weather Forecast

    • 65
    • 78

    Partly Sunny

    • 65
    • 76

    Sunny

    • 67
    • 79

    Sunny

    • 69
    • 81

    Sunny

    • 70
    • 84

    Sunny

    • 68
    • 83

    Mostly Sunny

    • 67
    • 80

    Sunny

Today 26 Aug North Bay Interior Mountains

Sunny. A slight chance of Thunderstorms. Highs in the 70s to 80s. Southwest Winds 5 to 10 Mph.

Tonight 26 Aug North Bay Interior Mountains

Mostly clear. Lows in the mid 50s to lower 60s. Southwest Winds 5 to 10 Mph.

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Mount Vaca Temperature Statistics

August Temperature

Vacaville Nut Tree Airport (8.1 miles)

  • Lowest 18 August, 2025

    51.7 °F

  • Average August

    77.7 °F

  • Highest 21 August, 2025

    104.6 °F

Climate (2020–Present)

Vacaville Nut Tree Airport (8.1 miles)

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  • Average Low 2020–2025

    49 °F

  • Average 2020–2025

    63 °F

  • Average High 2020–2025

    77.3 °F
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