Sumter Weather Forecast

    • 73
    • 93

    Thunderstorms Likely

    • 74
    • 90

    Chance Thunderstorms

    • 74
    • 89

    Thunderstorms Likely

    • 77
    • 94

    Chance Thunderstorms

    • 77
    • 96

    Slight Chance Thunderstorms

    • 77
    • 98

    Chance Thunderstorms

Today 22 Jul Sumter

Mostly sunny. Showers and Thunderstorms likely this afternoon. Highs in the lower 90s. Northeast Winds around 5 Mph. Chance of rain 70 percent.

Tonight 22 Jul Sumter

Mostly cloudy with Showers and Thunderstorms likely in the Evening, then partly cloudy after midnight. Humid with Lows in the lower 70s. Northeast Winds around 5 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sumter Temperature Statistics

July Temperature

Sumter Airport (5 miles)

  • Lowest 5 July, 2025

    69.8 °F

  • Average July

    80.7 °F

  • Highest 17 July, 2025

    96.8 °F

Climate (2020–Present)

Sumter Airport (5 miles)

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  • Average Low 2020–2025

    53.2 °F

  • Average 2020–2025

    64.2 °F

  • Average High 2020–2025

    76 °F
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