Umpleby Ranch Airport Weather Forecast

    • 40
    • 68

    Mostly Sunny

    • 44
    • 76

    Sunny

    • 47
    • 81

    Sunny

    • 50
    • 82

    Partly Sunny

    • 52
    • 83

    Partly Sunny

    • 50
    • 83

    Slight Chance Rain Showers

Today 15 Sep Southern Blue Mountains of Oregon

Sunny. Highs in the 60s.

Tonight 15 Sep Southern Blue Mountains of Oregon

Mostly clear. Lows in the 40s.

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Umpleby Ranch Airport Temperature Statistics

September Temperature

La Grande/Union County Airport (16.2 miles)

  • Lowest 13 September, 2025

    46 °F

  • Average September

    69.1 °F

  • Highest 2 September, 2025

    100.9 °F

Climate (2020–Present)

La Grande/Union County Airport (16.2 miles)

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  • Average Low 2020–2025

    37.9 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    62.3 °F
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