Nezperce Weather Forecast

    • 49
    • 70

    Mostly Cloudy

    • 48
    • 71

    Becoming Sunny

    • 50
    • 76

    Sunny

    • 51
    • 78

    Mostly Sunny

    • 49
    • 76

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

    • 50
    • 77

    Partly Sunny

Today 18 Sep Lewis and Southern Nez Perce Counties

Partly cloudy. Highs in the upper 60s to upper 70s.

Tonight 18 Sep Lewis and Southern Nez Perce Counties

Mostly cloudy. Lows in the upper 40s to mid 50s.

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Nezperce Temperature Statistics

September Temperature

Grangeville - Idaho County Airport (20.5 miles)

  • Lowest 15 September, 2026

    37.4 °F

  • Average September

    55.7 °F

  • Highest 10 September, 2026

    84.2 °F

Climate (2021–2026)

Grangeville - Idaho County Airport (20.5 miles)

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  • Average Low 2021–2026

    37 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    57.9 °F
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