Sumner Weather Forecast

    • 67
    • 89

    Partly Sunny

    • 66
    • 80

    Rain Showers Likely

    • 62
    • 84

    Slight Chance Thunderstorms

    • 63
    • 84

    Chance Rain Showers

    • 59
    • 81

    Chance Rain Showers

    • 58
    • 79

    Partly Sunny

    • 56
    • 79

    Chance Rain Showers

Today 7 Aug Southern Oxford

Partly sunny with a slight chance of Showers with isolated Thunderstorms. Warm with Highs in the upper 80s. Light and variable Winds. Chance of rain 20 percent. Heat index Values in the upper 90s.

Tonight 7 Aug Southern Oxford

Partly cloudy in the Evening, then mostly cloudy with scattered Thunderstorms with a chance of Showers after midnight. Patchy fog after midnight. Humid with Lows in the upper 60s. Light and variable Winds. Chance of rain 40 percent. Heat index Values in the lower 90s early in the evening.

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Sumner Temperature Statistics

August Temperature

Auburn-Lewiston (24.9 miles)

  • Lowest 4 August, 2026

    55 °F

  • Average August

    71.9 °F

  • Highest 5 August, 2026

    86 °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

    57.2 °F
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