Wallowa Lake Weather Forecast

    • 39
    • 60

    Chance Rain Showers

    • 45
    • 67

    Mostly Sunny

    • 49
    • 75

    Mostly Sunny

    • 47
    • 76

    Mostly Sunny

    • 43
    • 68

    Partly Sunny

    • 41
    • 60

    Chance Rain Showers

Today 7 Sep Wallowa County

Mostly cloudy in the Morning, becoming partly cloudy. A 50 percent chance of rain Showers. Highs in the 50s, except in the 60s Valleys. Rainfall Amounts less than a tenth of an inch.

Tonight 7 Sep Wallowa County

Partly cloudy with a 20 percent chance of rain Showers. Lows in the mid 30s to mid 40s.

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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 4 September, 2026

    39 °F

  • Average September

    58 °F

  • Highest 1 September, 2026

    82 °F

Climate (2021–2026)

La Grande/Union County Airport (38.5 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    62.7 °F
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