La Grande Reservoir Weather Forecast

    • 51
    • 80

    Mostly Sunny

    • 51
    • 84

    Sunny

    • 50
    • 84

    Mostly Sunny

    • 47
    • 78

    Mostly Sunny

    • 48
    • 75

    Partly Sunny

    • 46
    • 73

    Partly Sunny

    • 48
    • 75

    Mostly Sunny

Today 16 Jul Southern Blue Mountains of Oregon

Sunny. Highs in the upper 70s to mid 80s.

Tonight 16 Jul Southern Blue Mountains of Oregon

Clear. Haze overnight. Lows in the lower 50s to lower 60s.

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La Grande Reservoir Temperature Statistics

July Temperature

La Grande/Union County Airport (13.7 miles)

  • Lowest 5 July, 2025

    46.4 °F

  • Average July

    72.2 °F

  • Highest 13 July, 2025

    98.1 °F

Climate (2020–Present)

La Grande/Union County Airport (13.7 miles)

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  • Average Low 2020–2025

    37.8 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    62.3 °F
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