Morgan Lake Weather Forecast

    • 36
    • 58

    Mostly Sunny

    • 40
    • 63

    Partly Sunny

    • 42
    • 65

    Partly Sunny

    • 43
    • 68

    Partly Sunny

    • 44
    • 70

    Mostly Sunny

    • 44
    • 73

    Partly Sunny

Today 18 May Northern Blue Mountains of Oregon

Partly cloudy. A 20 percent chance of rain Showers in the afternoon. Highs in the mid 50s to lower 60s.

Tonight 18 May Northern Blue Mountains of Oregon

Mostly clear. Lows in the mid 30s to lower 40s.

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Morgan Lake Temperature Statistics

May Temperature

La Grande/Union County Airport (6.2 miles)

  • Lowest 1 May, 2026

    36 °F

  • Average May

    60.2 °F

  • Highest 12 May, 2026

    91 °F

Climate (2021–Present)

La Grande/Union County Airport (6.2 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    62.8 °F
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