Sumner Weather Forecast

    • 41
    • 64

    Mostly Sunny

    • 42
    • 59

    Slight Chance Rain

    • 42
    • 62

    Partly Sunny

    • 41
    • 62

    Partly Sunny

    • 41
    • 63

    Partly Sunny

    • 45
    • 62

    Partly Sunny

Today 19 Sep Southern Oxford

Mostly sunny. Highs in the mid 60s. Light and variable Winds.

Tonight 19 Sep Southern Oxford

Mostly clear in the Evening, then becoming partly cloudy. Lows around 40. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumner Temperature Statistics

September Temperature

Auburn-Lewiston (24.9 miles)

  • Lowest 12 September, 2026

    39.9 °F

  • Average September

    62.7 °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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