Wallowa Lake Weather Forecast

    • 24
    • 34

    Snow Likely

    • 29
    • 41

    Rain/Snow

    • 29
    • 39

    Chance Rain/Snow

    • 35
    • 40

    Rain/Snow Likely

    • 28
    • 43

    Rain/Snow Likely

    • 27
    • 41

    Chance Snow

Today 20 Dec Wallowa County

Mostly sunny. Highs in the mid 20s to lower 30s, except in the mid 30s to lower 40s Valleys. South wind 5 to 15 Mph in the afternoon. Gusts up to 25 Mph.

Tonight 20 Dec Wallowa County

Mostly cloudy. A 20 percent chance of snow overnight. Lows 18 to 27. South wind 5 to 15 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wallowa Lake Temperature Statistics

December Temperature

La Grande/Union County Airport (38.5 miles)

  • Lowest 1 December, 2025

    23 °F

  • Average December

    42.9 °F

  • Highest 11 December, 2025

    57.9 °F

Climate (2020–Present)

La Grande/Union County Airport (38.5 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    62.5 °F
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