Sumner Weather Forecast

    • 51
    • 70

    Mostly Cloudy

    • 50
    • 64

    Chance Rain Showers

    • 48
    • 59

    Chance Rain Showers

    • 49
    • 56

    Chance Rain Showers

    • 49
    • 63

    Partly Sunny

Today 25 Sep Southern Oxford

Patchy fog this morning. Partly sunny. Highs in the upper 60s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 25 Sep Southern Oxford

Cloudy. Lows around 50. Northeast Winds 10 to 15 Mph.

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Sumner Temperature Statistics

September Temperature

Auburn-Lewiston (24.9 miles)

  • Lowest 20 September, 2026

    35.1 °F

  • Average September

    61 °F

  • Highest 10 September, 2026

    82.9 °F

Climate (2021–2026)

Auburn-Lewiston (24.9 miles)

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  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    57.1 °F
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