Summerville Weather Forecast

    • 41
    • 59

    Mostly Cloudy

    • 38
    • 61

    Mostly Cloudy

    • 39
    • 61

    Partly Sunny

    • 43
    • 61

    Chance Rain

    • 38
    • 61

    Rain

    • 33
    • 53

    Rain/Snow Likely

Today 9 Nov Grande Ronde Valley

Mostly sunny. Highs in the lower 60s. Windy. South wind 15 to 25 Mph with Gusts to around 35 Mph.

Tonight 9 Nov Grande Ronde Valley

Mostly cloudy. Lows in the lower 40s. Windy. South wind 15 to 25 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summerville Temperature Statistics

November Temperature

La Grande/Union County Airport (13 miles)

  • Lowest 3 November, 2025

    26.1 °F

  • Average November

    48.7 °F

  • Highest 1 November, 2025

    66.9 °F

Climate (2020–Present)

La Grande/Union County Airport (13 miles)

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  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    50.3 °F

  • Average High 2020–2025

    62.3 °F
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