Imbler Weather Forecast

    • 45
    • 76

    Decreasing Clouds

    • 51
    • 86

    Partly Sunny

    • 38
    • 67

    Rain Showers Likely

    • 38
    • 64

    Partly Sunny

    • 37
    • 65

    Partly Sunny

    • 38
    • 64

    Mostly Sunny

    • 42
    • 69

    Partly Sunny

Today 23 Sep Grande Ronde Valley

Partly cloudy. Highs in the lower 70s.

Tonight 23 Sep Grande Ronde Valley

Mostly cloudy. Lows in the 40s. Northwest wind 5 to 10 Mph in the Evening, becoming light.

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Imbler Temperature Statistics

September Temperature

La Grande/Union County Airport (11.8 miles)

  • Lowest 15 September, 2026

    36 °F

  • Average September

    59.1 °F

  • Highest 10 September, 2026

    89.1 °F

Climate (2021–2026)

La Grande/Union County Airport (11.8 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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