La Grande/Union County Airport Weather Forecast

    • 46
    • 81

    Sunny

    • 48
    • 85

    Mostly Sunny

    • 51
    • 89

    Mostly Sunny

    • 53
    • 90

    Mostly Sunny

    • 51
    • 87

    Mostly Cloudy

    • 45
    • 72

    Rain Showers Likely

    • 41
    • 66

    Chance Rain Showers

Today 21 Jun Grande Ronde Valley

Sunny. Highs in the lower 80s. Northwest wind 5 to 10 Mph.

Tonight 21 Jun Grande Ronde Valley

Clear. Lows in the mid to upper 40s. Northwest wind 5 to 10 Mph in the Evening, becoming light.

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La Grande/Union County Airport Temperature Statistics

June Temperature

La Grande/Union County Airport (0 miles)

  • Lowest 11 June, 2026

    36 °F

  • Average June

    61.5 °F

  • Highest 15 June, 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

    50.7 °F

  • Average High 2021–2026

    62.8 °F
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