Nampa Municipal Airport Weather Forecast

    • 46
    • 73

    Mostly Sunny

    • 49
    • 81

    Sunny

    • 53
    • 86

    Mostly Sunny

    • 49
    • 73

    Mostly Sunny

    • 45
    • 70

    Partly Sunny

    • 43
    • 66

    Mostly Sunny

Today 8 Sep Lower Treasure Valley

Sunny. Highs 71 to 76. Northwest Winds up to 10 Mph.

Tonight 8 Sep Lower Treasure Valley

Clear. Areas of fog after midnight. Lows 46 to 52. North Winds up to 10 Mph.

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Nampa Municipal Airport Temperature Statistics

September Temperature

Nampa Municipal Airport (0 miles)

  • Lowest 4 September, 2026

    46.4 °F

  • Average September

    62.5 °F

  • Highest 1 September, 2026

    84.2 °F

Climate (2021–2026)

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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