La Grande/Union County Airport Weather Forecast

    • 24
    • 48

    Rain/Snow

    • 37
    • 49

    Rain Likely

    • 41
    • 63

    Slight Chance Rain

    • 43
    • 68

    Mostly Cloudy

    • 46
    • 71

    Slight Chance Rain

    • 47
    • 73

    Mostly Cloudy

Today 14 Mar Grande Ronde Valley

Rain or snow in the Morning, then partly sunny with a chance of snow in the afternoon. No snow accumulation. Highs in the mid to upper 40s. Very windy. West wind 10 to 20 Mph shifting to the northwest 20 to 35 Mph in the afternoon. Gusts up to 50 Mph. Chance of precipitation near 100 percent.

Tonight 14 Mar Grande Ronde Valley

Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the mid 20s. Windy. Northwest wind 15 to 25 Mph with Gusts to around 40 Mph decreasing to 5 to 10 Mph with Gusts to around 20 Mph overnight.

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La Grande/Union County Airport Temperature Statistics

March Temperature

La Grande/Union County Airport (0 miles)

  • Lowest 3 March, 2026

    21.9 °F

  • Average March

    42.7 °F

  • Highest 7 March, 2026

    64 °F

Climate (2021–Present)

La Grande/Union County Airport (0 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    62.8 °F
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