La Grande Reservoir Weather Forecast

    • 46
    • 79

    Becoming Sunny

    • 46
    • 78

    Sunny

    • 46
    • 81

    Sunny

    • 49
    • 85

    Partly Sunny

    • 50
    • 82

    Partly Sunny

    • 51
    • 82

    Partly Sunny

Today 8 Jul Southern Blue Mountains of Oregon

Sunny. Highs in the upper 70s to mid 80s. Gusts up to 25 Mph in the afternoon.

Tonight 8 Jul Southern Blue Mountains of Oregon

Clear. Lows in the upper 40s to lower 50s.

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La Grande Reservoir Temperature Statistics

July Temperature

La Grande/Union County Airport (13.7 miles)

  • Lowest 2 July, 2026

    48 °F

  • Average July

    66.6 °F

  • Highest 4 July, 2026

    88 °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

    50.5 °F

  • Average High 2021–2026

    62.7 °F
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