Nampa Municipal Airport Weather Forecast

    • 23
    • 40

    Increasing Clouds

    • 20
    • 37

    Becoming Sunny

    • 21
    • 38

    Mostly Sunny

    • 21
    • 40

    Mostly Sunny

    • 25
    • 41

    Partly Sunny

    • 29
    • 42

    Chance Rain

    • 29
    • 45

    Chance Rain/Snow

Today 27 Dec Lower Treasure Valley

Snow Likely, mainly in the morning. Chance of snow 60 percent. Little or no snow accumulation. Cooler with Highs 37 to 42. Windy. Northwest Winds 15 to 25 Mph with Gusts to 35 Mph.

Tonight 27 Dec Lower Treasure Valley

Mostly clear. Lows 22 to 27. Northwest Winds 10 to 15 Mph. Gusts to 25 Mph in the evening.

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Nampa Municipal Airport Temperature Statistics

December Temperature

Nampa Municipal Airport (0 miles)

  • Lowest 1 December, 2025

    19.4 °F

  • Average December

    41.6 °F

  • Highest 10 December, 2025

    62.6 °F

Climate (2020–Present)

Nampa Municipal Airport (0 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    53.3 °F

  • Average High 2020–2025

    65.2 °F
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