Nampa Municipal Airport Weather Forecast

    • 53
    • 83

    Chance Thunderstorms

    • 52
    • 86

    Breezy

    • 51
    • 79

    Chance Rain Showers

    • 46
    • 73

    Partly Sunny

    • 46
    • 75

    Mostly Sunny

    • 50
    • 80

    Mostly Sunny

    • 54
    • 86

    Mostly Sunny

Today 27 May Lower Treasure Valley

Mostly sunny. Areas of fog this morning. A chance of Showers and Thunderstorms this afternoon. Thunderstorms may produce gusty Winds and small hail this afternoon. Chance of rain 30 percent. Warmer with Highs 81 to 86. Southeast Winds around 10 Mph this Morning, shifting to northeast with Gusts to 30 Mph this afternoon.

Tonight 27 May Lower Treasure Valley

Mostly cloudy. Patchy fog after midnight. Lows 49 to 54. Breezy. Northwest Winds 10 to 20 Mph with Gusts to 30 Mph.

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  • Temperature Forecast NOAA

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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 °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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