Mount Vaca Weather Forecast

    • 46
    • 60

    Partly Sunny

    • 52
    • 59

    Decreasing Clouds

    • 54
    • 59

    Rain Likely

    • 48
    • 58

    Chance Rain

    • 51
    • 54

    Rain Likely

    • 50
    • 58

    Rain

    • 48
    • 54

    Rain Likely

Today 14 Dec North Bay Interior Mountains

Partly cloudy. Highs in the 50s to mid 60s. Southeast Winds around 5 Mph.

Tonight 14 Dec North Bay Interior Mountains

Partly cloudy. Lows in the mid 40s to lower 50s. Northeast Winds around 5 Mph.

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Mount Vaca Temperature Statistics

December Temperature

Vacaville Nut Tree Airport (8.1 miles)

  • Lowest 1 December, 2025

    36 °F

  • Average December

    44.1 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

Vacaville Nut Tree Airport (8.1 miles)

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  • Average Low 2020–2025

    49.1 °F

  • Average 2020–2025

    62.8 °F

  • Average High 2020–2025

    76.8 °F
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