Elgin Weather Forecast

    • 35
    • 67

    Gradual Clearing

    • 38
    • 70

    Mostly Sunny

    • 44
    • 74

    Partly Sunny

    • 41
    • 72

    Mostly Sunny

    • 42
    • 74

    Partly Sunny

    • 39
    • 71

    Mostly Sunny

Today 27 Sep Grande Ronde Valley

Mostly cloudy. Highs in the mid to upper 60s. Light wind.

Tonight 27 Sep Grande Ronde Valley

Mostly cloudy in the evening then clearing. Lows in the mid to upper 30s. Light wind.

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Elgin Temperature Statistics

September Temperature

La Grande/Union County Airport (19.3 miles)

  • Lowest 15 September, 2026

    36 °F

  • Average September

    59.4 °F

  • Highest 10 September, 2026

    89.1 °F

Climate (2021–2026)

La Grande/Union County Airport (19.3 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.7 °F
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