Summerville Weather Forecast

    • 44
    • 79

    Mostly Sunny

    • 44
    • 78

    Chance Rain Showers

    • 41
    • 73

    Mostly Sunny

    • 42
    • 78

    Mostly Sunny

    • 37
    • 66

    Partly Sunny

    • 38
    • 67

    Mostly Sunny

Today 2 Jun Grande Ronde Valley

Sunny. Highs around 80. Light wind.

Tonight 2 Jun Grande Ronde Valley

Mostly clear. Lows in the mid to upper 40s. North wind 5 to 10 Mph in the Evening, becoming light.

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Summerville Temperature Statistics

June Temperature

La Grande/Union County Airport (13 miles)

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Climate (2021–Present)

La Grande/Union County Airport (13 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    62.9 °F
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