La Grande/Union County Airport Weather Forecast

    • 32
    • 71

    Decreasing Clouds

    • 35
    • 67

    Partly Sunny

    • 31
    • 66

    Mostly Cloudy

    • 30
    • 62

    Partly Sunny

    • 34
    • 65

    Partly Sunny

    • 32
    • 63

    Chance Rain Showers

Today 17 Oct Grande Ronde Valley

Mostly sunny. Highs in the lower 70s. Breezy. Southwest wind 10 to 20 Mph. Gusts up to 35 Mph in the morning.

Tonight 17 Oct Grande Ronde Valley

Mostly clear. Lows in the lower to mid 30s. Northwest wind 5 to 10 Mph in the Evening, becoming light.

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La Grande/Union County Airport Temperature Statistics

October Temperature

La Grande/Union County Airport (0 miles)

  • Lowest 13 October, 2026

    21 °F

  • Average October

    52.7 °F

  • Highest 4 October, 2026

    89.1 °F

Climate (2021–2026)

La Grande/Union County Airport (0 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    62.8 °F
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