Sumner Weather Forecast

    • 57
    • 66

    Rain Showers

    • 42
    • 66

    Mostly Sunny

    • 49
    • 69

    Mostly Sunny

    • 56
    • 76

    Mostly Cloudy

    • 56
    • 73

    Chance Rain Showers

    • 49
    • 72

    Chance Rain Showers

Today 13 Sep Southern Oxford

Patchy fog this morning. A slight chance of Thunderstorms. Showers. Highs in the mid 60s. Light and variable Winds. Chance of rain near 100 percent.

Tonight 13 Sep Southern Oxford

Cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the mid 50s. Light and variable Winds, becoming west around 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

September Temperature

Auburn-Lewiston (24.9 miles)

  • Lowest 9 September, 2026

    45 °F

  • Average September

    64.1 °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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