Sumner Weather Forecast

    • 46
    • 86

    Slight Chance Thunderstorms

    • 37
    • 61

    Partly Sunny

    • 42
    • 68

    Partly Sunny

    • 44
    • 66

    Chance Rain Showers

    • 43
    • 59

    Chance Rain Showers

    • 47
    • 61

    Chance Rain Showers

Today 20 May Southern Oxford

Partly sunny. A slight chance of Showers and Thunderstorms this afternoon. Warm with Highs in the mid 80s. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.

Tonight 20 May Southern Oxford

Partly cloudy. Less humid with Lows in the mid 40s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

May Temperature

Auburn-Lewiston (24.9 miles)

  • Lowest 4 May, 2026

    27 °F

  • Average May

    52.1 °F

  • Highest 17 May, 2026

    81 °F

Climate (2021–Present)

Auburn-Lewiston (24.9 miles)

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  • Average Low 2021–2026

    37.7 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    57 °F
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