Sumner Weather Forecast

    • 58
    • 74

    Rain Showers Likely

    • 61
    • 74

    Rain Showers Likely

    • 54
    • 78

    Slight Chance Thunderstorms

    • 56
    • 76

    Partly Sunny

    • 57
    • 79

    Partly Sunny

    • 59
    • 81

    Chance Rain Showers

Today 22 Aug Southern Oxford

Cloudy with a 20 percent chance of Showers. Highs in the lower 70s. Light and variable Winds.

Tonight 22 Aug Southern Oxford

Mostly cloudy with a 50 percent chance of Showers. Patchy fog. Lows in the upper 50s. Light and variable Winds.

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Sumner Temperature Statistics

August Temperature

Auburn-Lewiston (24.9 miles)

  • Lowest 15 August, 2026

    48.9 °F

  • Average August

    70.9 °F

  • Highest 6 August, 2026

    90 °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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