Wallowa Lake Weather Forecast

    • 42
    • 65

    Increasing Clouds

    • 45
    • 70

    Increasing Clouds

    • 48
    • 76

    Partly Sunny

    • 48
    • 76

    Mostly Sunny

    • 39
    • 73

    Rain Showers Likely

    • 37
    • 52

    Rain Showers Likely

    • 39
    • 60

    Chance Rain Showers

Today 21 May Wallowa County

Sunny. Highs in the mid 50s to lower 60s, except in the mid 60s to lower 70s Valleys.

Tonight 21 May Wallowa County

Mostly cloudy. Lows in the mid 30s to mid 40s. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wallowa Lake Temperature Statistics

May Temperature

La Grande/Union County Airport (38.5 miles)

  • Lowest 19 May, 2026

    33.1 °F

  • Average May

    57.7 °F

  • Highest 12 May, 2026

    91 °F

Climate (2021–Present)

La Grande/Union County Airport (38.5 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    62.8 °F
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