Nampa Municipal Airport Weather Forecast

    • 47
    • 75

    Becoming Sunny

    • 45
    • 76

    Partly Sunny

    • 48
    • 80

    Sunny

    • 55
    • 88

    Mostly Sunny

    • 54
    • 88

    Mostly Sunny

    • 48
    • 88

    Partly Sunny

    • 44
    • 70

    Chance Rain Showers

Today 20 May Lower Treasure Valley

Sunny. Highs 73 to 78. Northwest Winds 10 to 15 Mph.

Tonight 20 May Lower Treasure Valley

Decreasing Clouds. Lows 46 to 51. Northwest Winds 10 to 15 Mph with Gusts to 25 Mph.

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Nampa Municipal Airport Temperature Statistics

May Temperature

Nampa Municipal Airport (0 miles)

  • Lowest 1 May, 2026

    41 °F

  • Average May

    64.6 °F

  • Highest 12 May, 2026

    96.8 °F

Climate (2021–Present)

Nampa Municipal Airport (0 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    65.3 °F
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