La Grande Reservoir Weather Forecast

    • 42
    • 71

    Sunny

    • 46
    • 77

    Partly Sunny

    • 48
    • 84

    Partly Sunny

    • 41
    • 74

    Mostly Sunny

    • 43
    • 74

    Sunny

    • 47
    • 79

    Mostly Sunny

Today 17 Jun Southern Blue Mountains of Oregon

Sunny. Highs in the 70s. Gusts up to 20 Mph in the afternoon.

Tonight 17 Jun Southern Blue Mountains of Oregon

Mostly clear. Lows in the lower 40s to lower 50s. Gusts up to 20 Mph in the evening.

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La Grande Reservoir Temperature Statistics

June Temperature

La Grande/Union County Airport (13.7 miles)

  • Lowest 11 June, 2026

    36 °F

  • Average June

    58.7 °F

  • Highest 14 June, 2026

    84 °F

Climate (2021–2026)

La Grande/Union County Airport (13.7 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    62.8 °F
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