La Grande/Union County Airport Weather Forecast

    • 45
    • 69

    Rain Showers

    • 41
    • 63

    Chance Rain Showers

    • 42
    • 63

    Chance Rain Showers

    • 43
    • 69

    Partly Sunny

    • 41
    • 74

    Mostly Sunny

    • 42
    • 75

    Partly Sunny

    • 45
    • 78

    Partly Sunny

Today 26 Jun Grande Ronde Valley

Mostly cloudy with a 50 percent chance of Showers and Thunderstorms. Highs in the upper 60s. Light wind. Rainfall Amounts around a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 26 Jun Grande Ronde Valley

Rain Showers and a chance of Thunderstorms in the Evening, then a chance of rain Showers overnight. Lows in the mid 40s. Light Wind, becoming northwest 5 to 10 Mph overnight. Chance of precipitation near 100 percent. Rainfall Amounts between a tenth and a quarter of an inch Possible, except higher Amounts possible in Thunderstorms.

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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

    63.3 °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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