Grouse Flat State Wildlife Recreation Area Weather Forecast

    • 36
    • 52

    Mostly Sunny

    • 35
    • 54

    Mostly Sunny

    • 40
    • 56

    Mostly Sunny

    • 39
    • 54

    Partly Sunny

    • 45
    • 57

    Rain

    • 39
    • 52

    Rain

Today 14 Oct Northeast Blue Mountains

Areas of frost in the morning. Mostly sunny. Highs in the upper 40s to upper 50s.

Tonight 14 Oct Northeast Blue Mountains

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

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Grouse Flat State Wildlife Recreation Area Temperature Statistics

October Temperature

Lewiston, Lewiston-Nez Perce County Airport (33.6 miles)

  • Lowest 6 October, 2025

    41 °F

  • Average October

    58.4 °F

  • Highest 8 October, 2025

    80.1 °F

Climate (2020–Present)

Lewiston, Lewiston-Nez Perce County Airport (33.6 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    65.8 °F
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