Nampa Municipal Airport Weather Forecast

    • 52
    • 79

    Sunny

    • 53
    • 83

    Partly Sunny

    • 53
    • 84

    Partly Sunny

    • 55
    • 84

    Mostly Sunny

    • 57
    • 88

    Partly Sunny

    • 46
    • 78

    Partly Sunny

    • 44
    • 69

    Partly Sunny

Today 20 Sep Lower Treasure Valley

Areas of fog this morning. Sunny. Highs 78 to 83. Light Winds.

Tonight 20 Sep Lower Treasure Valley

Clear. Lows 50 to 55. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Nampa Municipal Airport Temperature Statistics

September Temperature

Nampa Municipal Airport (0 miles)

  • Lowest 15 September, 2026

    42.8 °F

  • Average September

    63.7 °F

  • Highest 12 September, 2026

    89.6 °F

Climate (2021–2026)

Nampa Municipal Airport (0 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    65.3 °F
Get WillyWeather+ to remove ads