Monticello Dam Weather Forecast

    • 43
    • 68

    Becoming Sunny

    • 47
    • 64

    Sunny

    • 44
    • 71

    Mostly Sunny

    • 47
    • 72

    Partly Sunny

    • 47
    • 67

    Chance Rain

    • 45
    • 61

    Chance Rain

Today 15 Apr North Bay Interior Mountains

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 50s to upper 60s. West Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 15 Apr North Bay Interior Mountains

Partly cloudy in the evening then becoming mostly clear. Lows in the lower 40s. West Winds 10 to 20 Mph.

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  • Temperature Real-Time

Monticello Dam Temperature Statistics

April Temperature

Vacaville Nut Tree Airport (11.8 miles)

  • Lowest 2 April, 2026

    41.6 °F

  • Average April

    61.1 °F

  • Highest 5 April, 2026

    84.7 °F

Climate (2021–Present)

Vacaville Nut Tree Airport (11.8 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    63 °F

  • Average High 2021–2026

    77 °F
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