Hartsville Weather Forecast

    • 67
    • 89

    Increasing Clouds

    • 63
    • 83

    Partly Sunny

    • 61
    • 82

    Mostly Sunny

    • 64
    • 82

    Mostly Cloudy

    • 63
    • 80

    Slight Chance Thunderstorms

    • 63
    • 82

    Partly Sunny

Today 25 Aug Darlington

Sunny. Highs around 90. West Winds around 5 Mph.

Tonight 25 Aug Darlington

Partly cloudy. Lows in the mid 60s. North Winds around 5 Mph.

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Hartsville Temperature Statistics

August Temperature

Hartsville Regional Airport (3.1 miles)

  • Lowest 3 August, 2025

    64.4 °F

  • Average August

    75.5 °F

  • Highest 13 August, 2025

    93.2 °F

Climate (2020–Present)

Hartsville Regional Airport (3.1 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    63.3 °F

  • Average High 2020–2025

    74.3 °F
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