Nampa Weather Forecast

    • 57
    • 87

    Increasing Clouds

    • 56
    • 86

    Partly Sunny

    • 54
    • 76

    Chance Rain Showers

    • 52
    • 74

    Chance Rain Showers

    • 51
    • 74

    Chance Rain Showers

    • 51
    • 75

    Chance Rain Showers

Today 7 Sep Lower Treasure Valley

Areas of fog with patchy smoke this morning. Sunny. Highs 84 to 89. Light Winds this Morning, becoming southwest up to 10 Mph this afternoon.

Tonight 7 Sep Lower Treasure Valley

Increasing Clouds. Lows 55 to 60. West Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nampa Temperature Statistics

September Temperature

Nampa Municipal Airport (3.1 miles)

  • Lowest 3 September, 2025

    60.8 °F

  • Average September

    78.2 °F

  • Highest 1 September, 2025

    100.4 °F

Climate (2020–Present)

Nampa Municipal Airport (3.1 miles)

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  • Average Low 2020–2025

    41.3 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    64.9 °F
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