Idaho County Airport Weather Forecast

    • 46
    • 76

    Increasing Clouds

    • 43
    • 83

    Rain Likely

    • 40
    • 53

    Rain Likely

    • 43
    • 59

    Slight Chance Thunderstorms

    • 46
    • 69

    Chance Rain

    • 46
    • 66

    Rain Showers Likely

Today 24 May Orofino/Grangeville Region

Mostly sunny. Highs in the mid 70s to lower 80s.

Tonight 24 May Orofino/Grangeville Region

Mostly cloudy in the evening then clearing. Lows in the mid 40s to lower 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Idaho County Airport Temperature Statistics

May Temperature

Grangeville - Idaho County Airport (0 miles)

  • Lowest 18 May, 2026

    30.2 °F

  • Average May

    52.6 °F

  • Highest 12 May, 2026

    80.6 °F

Climate (2021–Present)

Grangeville - Idaho County Airport (0 miles)

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  • Average Low 2021–2026

    37.1 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    58 °F
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