Grangeville Weather Forecast

    • 57
    • 81

    Slight Chance Rain

    • 59
    • 88

    Mostly Sunny

    • 60
    • 94

    Mostly Sunny

    • 57
    • 88

    Mostly Sunny

    • 58
    • 88

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

    • 61
    • 91

    Partly Sunny

Today 14 Jul Orofino/Grangeville Region

Mostly cloudy. A 50 percent chance of Areas of rain until late afternoon. Highs in the upper 70s to lower 90s.

Tonight 14 Jul Orofino/Grangeville Region

Mostly clear. Lows in the mid 50s to lower 60s.

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Grangeville Temperature Statistics

July Temperature

Grangeville - Idaho County Airport (0.6 miles)

  • Lowest 2 July, 2026

    42.8 °F

  • Average July

    66.3 °F

  • Highest 10 July, 2026

    89.6 °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

    57.8 °F
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