Nampa Municipal Airport Weather Forecast

    • 38
    • 61

    Mostly Sunny

    • 35
    • 57

    Mostly Sunny

    • 28
    • 52

    Partly Sunny

    • 29
    • 49

    Partly Sunny

    • 32
    • 50

    Partly Sunny

    • 40
    • 52

    Chance Rain

    • 40
    • 55

    Chance Rain

Today 10 Dec Lower Treasure Valley

Areas of fog this morning. Mostly sunny. Highs 58 to 63. Southwest Winds up to 10 Mph.

Tonight 10 Dec Lower Treasure Valley

Partly cloudy. Patchy fog this evening. Areas of fog after midnight. Lows 37 to 42. Southeast Winds up to 10 Mph.

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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

    38 °F

  • Highest 8 December, 2025

    55.4 °F

Climate (2020–Present)

Nampa Municipal Airport (0 miles)

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  • Average Low 2020–2025

    41.6 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    65.1 °F
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