Summerville Weather Forecast

    • 46
    • 77

    Partly Sunny

    • 47
    • 80

    Mostly Sunny

    • 47
    • 79

    Mostly Sunny

    • 47
    • 74

    Sunny

    • 46
    • 78

    Mostly Sunny

    • 46
    • 77

    Partly Sunny

Today 2 May Grande Ronde Valley

Partly cloudy. Highs in the upper 70s. South wind 5 to 10 Mph.

Tonight 2 May Grande Ronde Valley

Partly cloudy. Lows in the mid to upper 40s. Light wind.

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Summerville Temperature Statistics

May Temperature

La Grande/Union County Airport (13 miles)

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  • Average May

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Climate (2021–Present)

La Grande/Union County Airport (13 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    62.8 °F
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