Hartsville Weather Forecast

    • 71
    • 93

    Increasing Clouds

    • 69
    • 86

    Mostly Cloudy

    • 74
    • 90

    Slight Chance Rain Showers

    • 76
    • 95

    Partly Sunny

    • 71
    • 92

    Rain Showers Likely

    • 68
    • 87

    Chance Thunderstorms

Today 15 Jun Darlington

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 15 Jun Darlington

Mostly cloudy. Near steady temperature in the mid 70s. Southwest Winds 5 to 10 Mph.

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Hartsville Temperature Statistics

June Temperature

Hartsville Regional Airport (3.1 miles)

  • Lowest 3 June, 2026

    46.4 °F

  • Average June

    75.3 °F

  • Highest 12 June, 2026

    96.8 °F

Climate (2021–Present)

Hartsville Regional Airport (3.1 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    63.4 °F

  • Average High 2021–2026

    74.6 °F
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