Wallowa Lake Weather Forecast

    • 53
    • 79

    Chance Thunderstorms

    • 50
    • 75

    Chance Rain Showers

    • 49
    • 66

    Rain Showers Likely

    • 49
    • 64

    Rain Showers Likely

    • 49
    • 64

    Rain Showers Likely

    • 49
    • 63

    Chance Rain Showers

    • 52
    • 69

    Chance Rain Showers

Today 7 Sep Wallowa County

Sunny in the Morning, then partly cloudy with a chance of Showers and Thunderstorms in the afternoon. Highs in the 70s, except in the 80s Valleys. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 7 Sep Wallowa County

Partly cloudy. A 50 percent chance of Showers and Thunderstorms in the evening. Lows in the mid 40s to mid 50s. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wallowa Lake Temperature Statistics

September Temperature

La Grande/Union County Airport (38.5 miles)

  • Lowest 5 September, 2025

    51.1 °F

  • Average September

    74.6 °F

  • Highest 2 September, 2025

    100.9 °F

Climate (2020–Present)

La Grande/Union County Airport (38.5 miles)

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  • Average Low 2020–2025

    37.8 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    62.3 °F
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