Sumner Weather Forecast

    • 48
    • 76

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

    • 51
    • 75

    Mostly Cloudy

    • 54
    • 79

    Partly Sunny

    • 41
    • 71

    Mostly Sunny

    • 39
    • 65

    Mostly Sunny

    • 46
    • 71

    Partly Sunny

Today 15 Sep Southern Oxford

Mostly sunny. Patchy fog. Highs in the mid 70s. Light and variable Winds.

Tonight 15 Sep Southern Oxford

Mostly clear. Patchy fog after midnight. Lows in the upper 40s. Light and variable Winds.

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  • Temperature Real-Time

Sumner Temperature Statistics

September Temperature

Auburn-Lewiston (24.9 miles)

  • Lowest 9 September, 2025

    41 °F

  • Average September

    60.7 °F

  • Highest 6 September, 2025

    81 °F

Climate (2020–Present)

Auburn-Lewiston (24.9 miles)

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  • Average Low 2020–2025

    37.9 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    57.1 °F
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