La Grande/Union County Airport Weather Forecast

    • 33
    • 57

    Rain Showers Likely

    • 26
    • 50

    Rain Showers Likely

    • 33
    • 55

    Breezy

    • 31
    • 56

    Partly Sunny

    • 32
    • 57

    Partly Sunny

    • 31
    • 56

    Chance Rain Showers

Today 31 Oct Grande Ronde Valley

Patchy fog and freezing fog in the morning. Partly sunny with a 20 percent chance of rain Showers. Highs in the mid to upper 50s. Light wind.

Tonight 31 Oct Grande Ronde Valley

Mostly cloudy with a 50 percent chance of rain Showers. Patchy fog overnight. Lows in the lower to mid 30s. Light wind. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

La Grande/Union County Airport Temperature Statistics

October Temperature

La Grande/Union County Airport (0 miles)

  • Lowest 13 October, 2026

    21 °F

  • Average October

    51.1 °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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