Monticello Dam Weather Forecast

    • 52
    • 81

    Sunny

    • 49
    • 80

    Sunny

    • 52
    • 74

    Partly Sunny

    • 50
    • 66

    Partly Sunny

    • 55
    • 71

    Mostly Sunny

    • 52
    • 77

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

Today 30 Apr North Bay Interior Mountains

Sunny. Highs in the mid 60s to lower 80s. Northeast Winds 5 to 10 Mph. Becoming west in the afternoon.

Tonight 30 Apr North Bay Interior Mountains

Clear. Lows in the 50s. Northwest Winds 5 to 10 Mph.

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Monticello Dam Temperature Statistics

April Temperature

Vacaville Nut Tree Airport (11.8 miles)

  • Lowest 2 April, 2025

    35.7 °F

  • Average April

    60 °F

  • Highest 14 April, 2025

    87.7 °F

Climate (2020–Present)

Vacaville Nut Tree Airport (11.8 miles)

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  • Average Low 2020–2025

    49.2 °F

  • Average 2020–2025

    63 °F

  • Average High 2020–2025

    77.3 °F
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