La Grande/Union County Airport Weather Forecast

    • 28
    • 50

    Mostly Sunny

    • 27
    • 50

    Mostly Sunny

    • 29
    • 49

    Mostly Sunny

    • 29
    • 49

    Sunny

    • 30
    • 49

    Mostly Sunny

    • 31
    • 49

    Mostly Sunny

Today 14 Jan Grande Ronde Valley

Sunny. Highs in the lower 50s. Southeast wind 5 to 10 Mph.

Tonight 14 Jan Grande Ronde Valley

Mostly clear. Lows in the upper 20s to lower 30s. South wind 5 to 10 Mph.

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La Grande/Union County Airport Temperature Statistics

January Temperature

La Grande/Union County Airport (0 miles)

  • Lowest 8 January, 2026

    30 °F

  • Average January

    40 °F

  • Highest 3 January, 2026

    54 °F

Climate (2021–Present)

La Grande/Union County Airport (0 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.6 °F
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