Sumner Weather Forecast

    • 47
    • 55

    Rain Showers

    • 47
    • 65

    Mostly Cloudy

    • 49
    • 71

    Mostly Cloudy

    • 57
    • 76

    Partly Sunny

    • 45
    • 73

    Partly Sunny

    • 40
    • 64

    Partly Sunny

Today 28 Sep Southern Oxford

Rain. Patchy fog. Highs in the mid 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 28 Sep Southern Oxford

Rain. Patchy fog. Lows in the mid 40s. North Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

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Sumner Temperature Statistics

September Temperature

Auburn-Lewiston (24.9 miles)

  • Lowest 20 September, 2026

    35.1 °F

  • Average September

    60.2 °F

  • Highest 10 September, 2026

    82.9 °F

Climate (2021–2026)

Auburn-Lewiston (24.9 miles)

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  • Average Low 2021–2026

    37.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    57.1 °F
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