Sumter Airport Weather Forecast

    • 24
    • 50

    Sunny

    • 21
    • 46

    Mostly Sunny

    • 34
    • 52

    Mostly Cloudy

    • 34
    • 59

    Slight Chance Rain

    • 31
    • 57

    Chance Rain

    • 22
    • 43

    Snow Likely

Today 19 Jan Sumter

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

Tonight 19 Jan Sumter

Mostly clear. Cold with Lows in the mid 20s. West Winds around 5 Mph.

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Sumter Airport Temperature Statistics

January Temperature

Sumter Airport (0 miles)

  • Lowest 16 January, 2026

    14 °F

  • Average January

    49.1 °F

  • Highest 10 January, 2026

    80.6 °F

Climate (2021–Present)

Sumter Airport (0 miles)

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  • Average Low 2021–2026

    52.7 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    75.8 °F
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