Lower Granite Lake Weather Forecast

    • 62
    • 100

    Hot

    • 61
    • 96

    Patchy Smoke

    • 59
    • 93

    Mostly Sunny

    • 59
    • 95

    Mostly Sunny

    • 59
    • 94

    Sunny

    • 58
    • 91

    Mostly Sunny

Today 7 Aug Washington Palouse

Hot, sunny. Areas of smoke in the morning. Haze. Patchy smoke in the afternoon. Highs in the 90s. Light Wind, becoming southwest 5 to 15 Mph with Gusts up to 20 Mph in the afternoon.

Tonight 7 Aug Washington Palouse

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

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Lower Granite Lake Temperature Statistics

August Temperature

Lewiston, Lewiston-Nez Perce County Airport (22.4 miles)

  • Lowest 4 August, 2026

    54 °F

  • Average August

    72.4 °F

  • Highest 1 August, 2026

    93.7 °F

Climate (2021–2026)

Lewiston, Lewiston-Nez Perce County Airport (22.4 miles)

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  • Average Low 2021–2026

    45.5 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.9 °F
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