Nampa Municipal Airport Weather Forecast

    • 43
    • 71

    Increasing Clouds

    • 46
    • 74

    Partly Sunny

    • 49
    • 76

    Mostly Sunny

    • 48
    • 81

    Mostly Sunny

    • 53
    • 87

    Mostly Sunny

    • 54
    • 89

    Mostly Sunny

    • 46
    • 87

    Partly Sunny

Today 19 May Lower Treasure Valley

Sunny. Highs 69 to 74. Northwest Winds up to 10 Mph.

Tonight 19 May Lower Treasure Valley

Partly cloudy. Lows 43 to 48. North Winds up to 10 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

    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

    41.8 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    65.3 °F
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