Wederspahn Lake Weather Forecast

    • 52
    • 82

    Mostly Sunny

    • 57
    • 88

    Mostly Sunny

    • 60
    • 94

    Partly Sunny

    • 55
    • 91

    Mostly Sunny

    • 50
    • 84

    Mostly Sunny

    • 50
    • 81

    Mostly Sunny

Today 23 Aug Upper Columbia Basin

Sunny. Highs in the lower to mid 80s. Southwest wind 5 to 15 Mph with Gusts up to 25 Mph.

Tonight 23 Aug Upper Columbia Basin

Mostly clear. Lows in the 50s. Northwest wind 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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Wederspahn Lake Temperature Statistics

August Temperature

Grant County Airport (32.9 miles)

  • Lowest 4 August, 2026

    49.6 °F

  • Average August

    73.8 °F

  • Highest 21 August, 2026

    102 °F

Climate (2021–2026)

Grant County Airport (32.9 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    64.1 °F
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