Nampa Municipal Airport Weather Forecast

    • 57
    • 87

    Mostly Sunny

    • 54
    • 91

    Slight Chance Thunderstorms

    • 46
    • 68

    Chance Rain Showers

    • 46
    • 70

    Chance Rain Showers

    • 49
    • 79

    Chance Thunderstorms

    • 48
    • 72

    Chance Rain Showers

    • 48
    • 76

    Partly Sunny

Today 24 May Lower Treasure Valley

Sunny. Highs 86 to 91. Northwest Winds up to 10 Mph.

Tonight 24 May Lower Treasure Valley

Mostly clear. Lows 54 to 59. East Winds up to 10 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

    64.1 °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

    65.4 °F
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