Wanapum Recreation Area Weather Forecast

    • 36
    • 49

    Rain

    • 34
    • 44

    Rain/Snow

    • 29
    • 44

    Chance Rain/Snow

    • 29
    • 43

    Slight Chance Rain/Snow

    • 30
    • 38

    Chance Rain/Snow

    • 31
    • 43

    Chance Rain/Snow

Today 17 Dec Kittitas Valley

Sunny with a chance of rain or snow. Highs in the 40s. Windy. West wind 20 to 30 Mph. Gusts up to 50 Mph decreasing to 40 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 17 Dec Kittitas Valley

Mostly cloudy with a 50 percent chance of rain or snow. Lows in the lower to mid 30s. Southwest wind 5 to 15 Mph. Gusts up to 30 Mph in the evening.

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Wanapum Recreation Area Temperature Statistics

December Temperature

Ellensburg, Ellensburg Bowers Field (26.1 miles)

  • Lowest 3 December, 2025

    24.1 °F

  • Average December

    40.5 °F

  • Highest 10 December, 2025

    63 °F

Climate (2020–Present)

Ellensburg, Ellensburg Bowers Field (26.1 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    62.8 °F
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