La Grande/Union County Airport Weather Forecast

    • 29
    • 58

    Increasing Clouds

    • 34
    • 61

    Mostly Cloudy

    • 29
    • 59

    Chance Rain Showers

    • 27
    • 54

    Chance Rain Showers

    • 26
    • 56

    Slight Chance Rain Showers

    • 25
    • 54

    Partly Sunny

Today 24 Oct Grande Ronde Valley

Mostly sunny. Highs in the upper 50s. Light Wind, becoming south 5 to 10 Mph with Gusts to around 20 Mph in the afternoon.

Tonight 24 Oct Grande Ronde Valley

Partly cloudy. Lows in the upper 20s to lower 30s. Windy. South wind 15 to 25 Mph.

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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

    38.2 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    62.8 °F
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