Sumner Weather Forecast

    • 32
    • 50

    Becoming Sunny

    • 41
    • 60

    Mostly Sunny

    • 36
    • 63

    Mostly Sunny

    • 39
    • 63

    Mostly Sunny

    • 31
    • 58

    Mostly Sunny

    • 32
    • 48

    Partly Sunny

Today 8 Dec Lamar

Sunny. Highs around 50. Northwest Winds around 5 Mph.

Tonight 8 Dec Lamar

Mostly clear. Lows in the lower 30s. Light and variable Winds, becoming south around 5 Mph after midnight.

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Sumner Temperature Statistics

December Temperature

Paris / Cox Field (14.3 miles)

  • Lowest 2 December, 2025

    27 °F

  • Average December

    37.5 °F

  • Highest 2 December, 2025

    48.9 °F

Climate (2020–Present)

Paris / Cox Field (14.3 miles)

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  • Average Low 2020–2025

    54.1 °F

  • Average 2020–2025

    64.1 °F

  • Average High 2020–2025

    75 °F
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