Sumner Weather Forecast

    • 57
    • 77

    Partly Sunny

    • 50
    • 70

    Chance Rain Showers

    • 49
    • 71

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

    • 51
    • 74

    Mostly Cloudy

    • 56
    • 72

    Chance Rain Showers

Today 4 Sep Southern Oxford

Patchy fog in the morning. Partly sunny. Highs in the upper 70s. Northwest Winds around 10 Mph.

Tonight 4 Sep Southern Oxford

Mostly clear in the Evening, then becoming partly cloudy. A 20 percent chance of Showers. Lows in the mid 50s. Northwest Winds around 10 Mph.

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Sumner Temperature Statistics

September Temperature

Auburn-Lewiston (24.9 miles)

  • Lowest 1 September, 2026

    50 °F

  • Average September

    62.5 °F

  • Highest 1 September, 2026

    75.9 °F

Climate (2021–2026)

Auburn-Lewiston (24.9 miles)

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  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    57.1 °F
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