Harleyville Weather Forecast

    • 60
    • 88

    Mostly Sunny

    • 60
    • 89

    Rain Showers Likely

    • 55
    • 85

    Chance Rain Showers

    • 58
    • 79

    Partly Sunny

    • 62
    • 84

    Chance Thunderstorms

    • 61
    • 88

    Chance Rain Showers

Today 24 Apr Dorchester

Sunny. Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 24 Apr Dorchester

Clear. Patchy smoke. Lows in the mid 50s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harleyville Temperature Statistics

April Temperature

Summerville Airport (14.3 miles)

  • Lowest 9 April, 2026

    44.6 °F

  • Average April

    67.2 °F

  • Highest 16 April, 2026

    89.6 °F

Climate (2021–Present)

Summerville Airport (14.3 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    76.8 °F
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