La Grande Reservoir Weather Forecast

    • 30
    • 45

    Increasing Clouds

    • 29
    • 46

    Mostly Cloudy

    • 30
    • 42

    Rain Showers

    • 25
    • 36

    Slight Chance Snow Showers

    • 30
    • 44

    Mostly Cloudy

    • 31
    • 46

    Mostly Cloudy

Today 29 Oct Southern Blue Mountains of Oregon

Partly sunny. Highs in the upper 40s to lower 50s.

Tonight 29 Oct Southern Blue Mountains of Oregon

Mostly cloudy. Lows in the upper 20s to mid 30s.

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La Grande Reservoir Temperature Statistics

October Temperature

La Grande/Union County Airport (13.7 miles)

  • Lowest 13 October, 2026

    21 °F

  • Average October

    51.6 °F

  • Highest 4 October, 2026

    89.1 °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

    50.6 °F

  • Average High 2021–2026

    62.8 °F
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