Summerville Weather Forecast

    • 42
    • 55

    Rain

    • 35
    • 49

    Rain

    • 27
    • 44

    Rain Likely

    • 25
    • 45

    Partly Sunny

    • 26
    • 46

    Mostly Sunny

    • 31
    • 46

    Chance Rain/Snow

Today 7 Feb Grande Ronde Valley

Mostly cloudy. Highs in the mid to upper 50s. South wind 5 to 10 Mph.

Tonight 7 Feb Grande Ronde Valley

A chance of rain in the Evening, then rain overnight. Lows in the lower 40s. South wind 5 to 10 Mph. Chance of precipitation 80 percent. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summerville Temperature Statistics

February Temperature

La Grande/Union County Airport (13 miles)

  • Lowest 2 February, 2026

    21 °F

  • Average February

    42.8 °F

  • Highest 5 February, 2026

    61 °F

Climate (2021–Present)

La Grande/Union County Airport (13 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    62.6 °F
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