Harleyville Weather Forecast

    • 49
    • 68

    Increasing Clouds

    • 46
    • 78

    Rain Showers Likely

    • 41
    • 69

    Partly Sunny

    • 44
    • 66

    Partly Sunny

    • 47
    • 75

    Mostly Sunny

    • 47
    • 75

    Partly Sunny

Today 30 Jan Dorchester

Sunny. Highs in the upper 60s. East Winds 5 to 10 Mph.

Tonight 30 Jan Dorchester

Mostly cloudy. Lows around 50. Southeast Winds around 5 Mph, becoming south around 5 Mph after midnight.

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Harleyville Temperature Statistics

January Temperature

Summerville Airport (14.3 miles)

  • Lowest 23 January, 2025

    19.4 °F

  • Average January

    40.5 °F

  • Highest 19 January, 2025

    66.2 °F

Climate (2020–Present)

Summerville Airport (14.3 miles)

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  • Average Low 2020–2025

    56.4 °F

  • Average 2020–2025

    65.8 °F

  • Average High 2020–2025

    76.6 °F
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