Sumter Weather Forecast

    • 35
    • 70

    Rain Showers

    • 44
    • 66

    Sunny

    • 51
    • 75

    Mostly Sunny

    • 62
    • 78

    Rain Likely

    • 36
    • 75

    Rain Likely

    • 32
    • 53

    Partly Sunny

Today 12 Mar Sumter

Partly sunny with a 20 percent chance of rain. Cooler. Near steady temperature in the mid 50s. North Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 12 Mar Sumter

Clear. Much cooler with Lows in the mid 30s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumter Temperature Statistics

March Temperature

Sumter Airport (5 miles)

  • Lowest 1 March, 2026

    39.2 °F

  • Average March

    63.4 °F

  • Highest 10 March, 2026

    86 °F

Climate (2021–Present)

Sumter Airport (5 miles)

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  • Average Low 2021–2026

    52.6 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    75.8 °F
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