Milliken Reservoir Weather Forecast

    • 51
    • 73

    Mostly Cloudy

    • 48
    • 61

    Chance Rain

    • 43
    • 56

    Rain Likely

    • 47
    • 60

    Sunny

    • 50
    • 68

    Mostly Sunny

    • 52
    • 74

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

Today 30 Mar North Bay Interior Mountains

Mostly cloudy. Highs in the mid 60s to upper 70s. Southwest Winds 5 to 10 Mph.

Tonight 30 Mar North Bay Interior Mountains

Mostly cloudy. A slight chance of rain after midnight. Lows in the lower 50s. West Winds around 5 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

    60.4 °F

  • Highest 20 March, 2026

    87.7 °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

    58.3 °F

  • Average High 2021–2026

    70.2 °F
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