Grangeville Weather Forecast

    • 47
    • 74

    Mostly Sunny

    • 49
    • 74

    Mostly Sunny

    • 43
    • 75

    Partly Sunny

    • 37
    • 51

    Chance Rain

    • 32
    • 48

    Slight Chance Rain

    • 33
    • 51

    Slight Chance Rain

Today 7 Oct Orofino/Grangeville Region

Sunny. Highs in the 70s to lower 80s.

Tonight 7 Oct Orofino/Grangeville Region

Mostly clear. Lows in the 40s to lower 50s.

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Grangeville Temperature Statistics

October Temperature

Grangeville - Idaho County Airport (0.6 miles)

  • Lowest 3 October, 2026

    41 °F

  • Average October

    56.8 °F

  • Highest 4 October, 2026

    80.6 °F

Climate (2021–2026)

Grangeville - Idaho County Airport (0.6 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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