Summerville Weather Forecast

    • 61
    • 95

    Partly Sunny

    • 52
    • 89

    Partly Sunny

    • 52
    • 83

    Partly Sunny

    • 49
    • 80

    Mostly Sunny

    • 50
    • 82

    Mostly Sunny

    • 52
    • 86

    Mostly Sunny

    • 57
    • 91

    Sunny

Today 1 Jul Grande Ronde Valley

Hot. Sunny in the Morning, becoming partly cloudy. Highs in the mid 90s. Light Wind, becoming north 5 to 10 Mph in the afternoon.

Tonight 1 Jul Grande Ronde Valley

Partly cloudy. Lows in the lower 60s. Northwest wind 5 to 10 Mph.

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Summerville Temperature Statistics

July Temperature

La Grande/Union County Airport (13 miles)

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  • Average July

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Climate (2020–Present)

La Grande/Union County Airport (13 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    50.1 °F

  • Average High 2020–2025

    62.3 °F
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