Milliken Reservoir Weather Forecast

    • 50
    • 72

    Decreasing Clouds

    • 55
    • 73

    Mostly Sunny

    • 60
    • 80

    Partly Sunny

    • 61
    • 84

    Mostly Sunny

    • 61
    • 83

    Sunny

    • 59
    • 83

    Mostly Sunny

Today 13 Mar North Bay Interior Mountains

Partly cloudy. Highs in the mid 60s to upper 70s. North Winds around 5 Mph. Becoming west in the afternoon.

Tonight 13 Mar North Bay Interior Mountains

Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 50s. Northwest Winds 5 to 10 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Milliken Reservoir Temperature Statistics

March Temperature

Napa, Napa County Airport (11.8 miles)

  • Lowest 5 March, 2026

    37.7 °F

  • Average March

    57.4 °F

  • Highest 7 March, 2026

    77 °F

Climate (2021–Present)

Napa, Napa County Airport (11.8 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    70.1 °F
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