Wederspahn Lake Weather Forecast

    • 24
    • 38

    Partly Sunny

    • 24
    • 37

    Mostly Cloudy

    • 29
    • 36

    Chance Rain/Snow

    • 34
    • 41

    Rain Likely

    • 30
    • 44

    Chance Rain

    • 29
    • 42

    Chance Rain/Snow

Today 30 Dec Upper Columbia Basin

Mostly sunny. Highs in the mid to upper 30s. Northeast wind 5 to 10 Mph.

Tonight 30 Dec Upper Columbia Basin

Partly cloudy. Lows in the lower to mid 20s. Northeast wind 5 to 10 Mph.

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Wederspahn Lake Temperature Statistics

December Temperature

Grant County Airport (32.9 miles)

  • Lowest 28 December, 2025

    17.1 °F

  • Average December

    39.6 °F

  • Highest 15 December, 2025

    64 °F

Climate (2020–Present)

Grant County Airport (32.9 miles)

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  • Average Low 2020–2025

    41.1 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    64.3 °F
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