Union Weather Forecast

    • 47
    • 72

    Sunny

    • 47
    • 80

    Mostly Sunny

    • 41
    • 63

    Rain Showers Likely

    • 40
    • 58

    Breezy

    • 42
    • 69

    Breezy

    • 49
    • 77

    Mostly Sunny

    • 51
    • 82

    Mostly Sunny

Today 1 May Southern Blue Mountains of Oregon

Sunny. Highs in the upper 60s to lower 70s.

Tonight 1 May Southern Blue Mountains of Oregon

Clear. Lows in the lower 40s to lower 50s.

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Union Temperature Statistics

May Temperature

La Grande/Union County Airport (8.7 miles)

  • Lowest

  • Average May

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Climate (2020–Present)

La Grande/Union County Airport (8.7 miles)

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  • Average Low 2020–2025

    37.7 °F
  • Average 2020–2025

    50 °F
  • Average High 2020–2025

    62 °F
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