Grangeville Weather Forecast

    • 46
    • 67

    Increasing Clouds

    • 41
    • 62

    Rain

    • 30
    • 45

    Rain Likely

    • 34
    • 50

    Mostly Cloudy

    • 34
    • 53

    Mostly Cloudy

    • 34
    • 53

    Slight Chance Rain

Today 21 Oct Orofino/Grangeville Region

Partly cloudy. Highs in the mid 60s to lower 70s.

Tonight 21 Oct Orofino/Grangeville Region

Partly cloudy. Lows in the 40s to lower 50s.

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Grangeville Temperature Statistics

October Temperature

Grangeville - Idaho County Airport (0.6 miles)

  • Lowest 12 October, 2026

    35.6 °F

  • Average October

    52.6 °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

    37.1 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    57.9 °F
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