Sumter Weather Forecast

    • 1
    • 32

    Blizzard

    • -2
    • 6

    Blowing Snow

    • 10
    • 31

    Mostly Cloudy

    • 1
    • 18

    Chance Snow

    • -1
    • 9

    Cold

    • 6
    • 18

    Mostly Cloudy

Today 28 Dec McLeod

Windy, snow. Blowing snow. Snow may be heavy at Times. Visibility one quarter mile or less at Times. New snow accumulation of 2 to 3 Inches. Near steady temperature around 12. Northwest Winds 20 to 30 Mph with Gusts to around 45 Mph. Chance of snow near 100 percent.

Tonight 28 Dec McLeod

Windy. Much Colder. Snow in the Evening, then chance of snow after midnight. Blowing snow through the night. Snow may be heavy at Times in the evening. Visibility one quarter mile or less at Times in the evening. Snow accumulation around 4 Inches. Total snow accumulation 6 to 10 Inches. Lows around 1. Northwest Winds 25 to 30 Mph with Gusts to around 45 Mph. Chance of snow near 100 percent.

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Sumter Temperature Statistics

December Temperature

Glencoe Municipal Airport (8.1 miles)

  • Lowest 4 December, 2025

    -15 °F

  • Average December

    17.5 °F

  • Highest 16 December, 2025

    43.9 °F

Climate (2020–Present)

Glencoe Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    37.1 °F

  • Average 2020–2025

    46.6 °F

  • Average High 2020–2025

    56.1 °F
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