Summerville Weather Forecast

    • 26
    • 45

    Mostly Cloudy

    • 26
    • 49

    Mostly Sunny

    • 25
    • 49

    Partly Sunny

    • 31
    • 46

    Chance Rain

    • 32
    • 46

    Rain/Snow Likely

    • 30
    • 45

    Rain/Snow Likely

    • 30
    • 45

    Rain/Snow Likely

Today 10 Feb Grande Ronde Valley

Partly sunny. Highs in the mid to upper 40s. Southeast wind 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 10 Feb Grande Ronde Valley

Mostly cloudy. Lows in the upper 20s. Southeast wind 5 to 10 Mph with Gusts to around 20 Mph in the Evening, becoming light.

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Summerville Temperature Statistics

February Temperature

La Grande/Union County Airport (13 miles)

  • Lowest 2 February, 2026

    21 °F

  • Average February

    42.7 °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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