Conley Lake Weather Forecast

    • 30
    • 51

    Chance Snow

    • 36
    • 44

    Rain/Snow

    • 25
    • 45

    Rain/Snow

    • 27
    • 41

    Chance Rain/Snow

    • 33
    • 44

    Rain Likely

    • 28
    • 46

    Chance Rain/Snow

Today 17 Dec Grande Ronde Valley

Rain Showers, snow Showers and a chance of Thunderstorms in the Morning, then a chance of snow in the afternoon. No snow accumulation. Highs in the lower 50s. Very windy. West wind 20 to 35 Mph with Gusts to around 50 Mph. Chance of precipitation near 100 percent.

Tonight 17 Dec Grande Ronde Valley

Mostly cloudy. A 20 percent chance of snow overnight. Lows in the lower 30s. South wind 5 to 15 Mph with Gusts to around 25 Mph.

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  • Temperature Real-Time

Conley Lake Temperature Statistics

December Temperature

La Grande/Union County Airport (6.2 miles)

  • Lowest 1 December, 2025

    23 °F

  • Average December

    42.6 °F

  • Highest 11 December, 2025

    57.9 °F

Climate (2020–Present)

La Grande/Union County Airport (6.2 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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