Milliken Reservoir Weather Forecast

    • 45
    • 55

    Chance Rain

    • 51
    • 60

    Rain

    • 52
    • 55

    Rain

    • 50
    • 59

    Chance Rain

    • 51
    • 64

    Partly Sunny

    • 52
    • 66

    Mostly Cloudy

Today 22 Feb North Bay Interior Mountains

Mostly cloudy. A chance of rain in the Morning, then a slight chance of rain in the afternoon. Highs in the 50s. South Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 22 Feb North Bay Interior Mountains

Mostly cloudy. A chance of rain in the evening. A slight chance of rain after midnight. Lows in the upper 40s. South Winds around 5 Mph. Becoming northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Milliken Reservoir Temperature Statistics

February Temperature

Napa, Napa County Airport (11.8 miles)

  • Lowest 18 February, 2026

    32 °F

  • Average February

    51 °F

  • Highest 5 February, 2026

    71.7 °F

Climate (2021–Present)

Napa, Napa County Airport (11.8 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    70.1 °F
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