Nampa Municipal Airport Weather Forecast

    • 47
    • 74

    Increasing Clouds

    • 50
    • 78

    Mostly Sunny

    • 51
    • 84

    Mostly Sunny

    • 52
    • 86

    Partly Sunny

    • 50
    • 82

    Mostly Sunny

    • 53
    • 88

    Mostly Sunny

Today 31 May Lower Treasure Valley

Sunny. Highs 72 to 77. Northwest Winds 10 to 15 Mph with Gusts to 25 Mph.

Tonight 31 May Lower Treasure Valley

Increasing Clouds. Lows 45 to 50. Northwest Winds up to 10 Mph with Gusts to 20 Mph.

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Nampa Municipal Airport Temperature Statistics

May Temperature

Nampa Municipal Airport (0 miles)

  • Lowest 19 May, 2026

    39.2 °F

  • Average May

    65.1 °F

  • Highest 12 May, 2026

    96.8 °F

Climate (2021–Present)

Nampa Municipal Airport (0 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    65.4 °F
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