Snake River SPB Weather Forecast

    • 65
    • 95

    Mostly Sunny

    • 63
    • 93

    Sunny

    • 62
    • 95

    Sunny

    • 66
    • 100

    Hot

    • 69
    • 103

    Hot

    • 67
    • 102

    Hot

Today 19 Aug Lower Garfield and Asotin Counties

Sunny. Highs in the mid 80s to mid 90s. Gusts up to 20 Mph in the afternoon.

Tonight 19 Aug Lower Garfield and Asotin Counties

Mostly clear. Lows in the upper 50s to lower 60s. Northwest wind 5 to 15 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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Snake River SPB Temperature Statistics

August Temperature

Lewiston, Lewiston-Nez Perce County Airport (2.5 miles)

  • Lowest 5 August, 2025

    57.7 °F

  • Average August

    77.8 °F

  • Highest 11 August, 2025

    102.7 °F

Climate (2020–Present)

Lewiston, Lewiston-Nez Perce County Airport (2.5 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    65.8 °F
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