Milliken Reservoir Weather Forecast

    • 65
    • 89

    Sunny

    • 52
    • 79

    Mostly Sunny

    • 44
    • 61

    Mostly Sunny

    • 46
    • 60

    Mostly Sunny

    • 46
    • 60

    Mostly Sunny

    • 46
    • 63

    Mostly Sunny

    • 52
    • 67

    Sunny

Today 8 Oct North Bay Interior Mountains

Sunny. Highs in the 80s to mid 90s. Light Winds. Becoming west 5 to 10 Mph in the afternoon.

Tonight 8 Oct North Bay Interior Mountains

Clear. Lows in the 60s to mid 70s. Northwest Winds up to 5 Mph.

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Milliken Reservoir Temperature Statistics

October Temperature

Napa, Napa County Airport (11.8 miles)

  • Lowest 2 October, 2026

    50.6 °F

  • Average October

    71 °F

  • Highest 3 October, 2026

    96.7 °F

Climate (2021–2026)

Napa, Napa County Airport (11.8 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    70.3 °F
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