Summerville Weather Forecast

    • 32
    • 49

    Chance Rain

    • 29
    • 49

    Rain Likely

    • 32
    • 51

    Mostly Cloudy

    • 34
    • 54

    Chance Rain

    • 35
    • 52

    Chance Rain

    • 28
    • 49

    Chance Rain/Snow

Today 19 Nov Grande Ronde Valley

Mostly sunny. Highs in the lower 50s. Light wind.

Tonight 19 Nov Grande Ronde Valley

Partly cloudy. Lows in the lower to mid 30s. Southeast wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summerville Temperature Statistics

November Temperature

La Grande/Union County Airport (13 miles)

  • Lowest 8 November, 2025

    24.1 °F

  • Average November

    50 °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

    62.4 °F
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