Imnaha Weather Forecast

    • 46
    • 73

    Partly Sunny

    • 48
    • 77

    Partly Sunny

    • 41
    • 68

    Rain Showers

    • 32
    • 53

    Partly Sunny

    • 39
    • 57

    Chance Rain Showers

    • 38
    • 60

    Slight Chance Rain Showers

Today 20 Oct Wallowa County

Partly sunny. Highs in the upper 50s to mid 60s, except in the mid 60s to lower 70s Valleys.

Tonight 20 Oct Wallowa County

Partly cloudy. Lows in the upper 30s to mid 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Imnaha Temperature Statistics

October Temperature

Grangeville - Idaho County Airport (42.3 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 (42.3 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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