Minam State Park Weather Forecast

    • 53
    • 78

    Increasing Clouds

    • 48
    • 76

    Partly Sunny

    • 47
    • 70

    Partly Sunny

    • 44
    • 63

    Rain Showers

    • 41
    • 56

    Chance Rain Showers

    • 44
    • 65

    Mostly Sunny

Today 9 Sep Northern Blue Mountains of Oregon

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

Tonight 9 Sep Northern Blue Mountains of Oregon

Mostly clear. Lows in the mid 40s to mid 50s.

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Minam State Park Temperature Statistics

September Temperature

La Grande/Union County Airport (36.7 miles)

  • Lowest 4 September, 2026

    39 °F

  • Average September

    57 °F

  • Highest 1 September, 2026

    82 °F

Climate (2021–2026)

La Grande/Union County Airport (36.7 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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