Lower Granite State Airport Weather Forecast

    • 59
    • 97

    Hot

    • 61
    • 101

    Hot

    • 61
    • 102

    Hot

    • 61
    • 100

    Hot

    • 59
    • 94

    Mostly Sunny

    • 59
    • 94

    Mostly Sunny

Today 5 Aug Washington Palouse

Sunny, haze. Areas of smoke in the afternoon. Highs in the upper 80s to mid 90s. Light wind.

Tonight 5 Aug Washington Palouse

Mostly clear. Haze and Areas of smoke. Lows in the 50s. Light wind.

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Lower Granite State Airport Temperature Statistics

August Temperature

Lewiston, Lewiston-Nez Perce County Airport (28.6 miles)

  • Lowest 2 August, 2026

    57.9 °F

  • Average August

    74.9 °F

  • Highest 1 August, 2026

    93.7 °F

Climate (2021–2026)

Lewiston, Lewiston-Nez Perce County Airport (28.6 miles)

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.9 °F
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