La Grande Reservoir Weather Forecast

    • 46
    • 78

    Areas Smoke

    • 48
    • 76

    Chance Rain Showers

    • 49
    • 75

    Chance Thunderstorms

    • 49
    • 78

    Rain Showers Likely

    • 51
    • 80

    Chance Rain Showers

    • 51
    • 80

    Chance Rain Showers

Today 12 Aug Southern Blue Mountains of Oregon

Sunny. Patchy smoke. Highs in the mid 70s to lower 80s. Gusts up to 20 Mph in the afternoon.

Tonight 12 Aug Southern Blue Mountains of Oregon

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

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La Grande Reservoir Temperature Statistics

August Temperature

La Grande/Union County Airport (13.7 miles)

  • Lowest 5 August, 2026

    43 °F

  • Average August

    70.3 °F

  • Highest 7 August, 2026

    99 °F

Climate (2021–2026)

La Grande/Union County Airport (13.7 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.7 °F
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