Union Weather Forecast

    • 49
    • 83

    Slight Chance Thunderstorms

    • 50
    • 83

    Mostly Sunny

    • 48
    • 84

    Mostly Sunny

    • 48
    • 82

    Partly Sunny

    • 41
    • 71

    Chance Rain Showers

    • 42
    • 60

    Rain Showers

    • 42
    • 66

    Chance Rain Showers

Today 16 Jun Southern Blue Mountains of Oregon

Mostly cloudy. A 20 percent chance of rain Showers in the afternoon. Highs in the 70s. Gusts up to 20 Mph in the afternoon.

Tonight 16 Jun Southern Blue Mountains of Oregon

Mostly clear. Lows in the mid 40s to lower 50s. Gusts up to 25 Mph in the evening.

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Union Temperature Statistics

June Temperature

La Grande/Union County Airport (8.7 miles)

  • Lowest 2 June, 2025

    34.6 °F

  • Average June

    64.5 °F

  • Highest 9 June, 2025

    97.6 °F

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

    50.1 °F

  • Average High 2020–2025

    62.2 °F
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