Idaho County Airport Weather Forecast

    • 57
    • 93

    Slight Chance Thunderstorms

    • 57
    • 94

    Partly Sunny

    • 52
    • 85

    Partly Sunny

    • 50
    • 79

    Mostly Sunny

    • 44
    • 76

    Chance Rain

    • 45
    • 75

    Mostly Sunny

Today 25 Aug Orofino/Grangeville Region

Mostly sunny. Hot. Highs 88 to 101.

Tonight 25 Aug Orofino/Grangeville Region

Mostly cloudy in the evening then clearing. Lows in the mid 50s to lower 60s.

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Idaho County Airport Temperature Statistics

August Temperature

Grangeville - Idaho County Airport (0 miles)

  • Lowest 4 August, 2026

    42.8 °F

  • Average August

    69.9 °F

  • Highest 21 August, 2026

    96.8 °F

Climate (2021–2026)

Grangeville - Idaho County Airport (0 miles)

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  • Average Low 2021–2026

    37 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    57.9 °F
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