Harleyville Weather Forecast
- 63
- 85
Chance Rain Showers
- 65
- 85
Rain Showers Likely
- 64
- 83
Chance Thunderstorms
- 67
- 83
Rain Showers Likely
- 67
- 87
Rain Showers Likely
- 65
- 85
Chance Thunderstorms
Today 24 May Dorchester
Sunny. Highs in the mid 80s. Northeast Winds around 5 Mph, becoming north this afternoon.
Tonight 24 May Dorchester
Mostly clear in the Evening, then partly cloudy with a slight chance of Showers after midnight. Lows in the mid 60s. More humid. Southeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.
Harleyville Temperature Statistics
May Temperature
Summerville Airport (14.3 miles)
Lowest 6 May, 2025
53.6 °FAverage May
74.1 °FHighest 16 May, 2025
93.2 °F
Climate (2020–Present)
Summerville Airport (14.3 miles)
Average Low 2020–2025
56.4 °FAverage 2020–2025
65.9 °FAverage High 2020–2025
76.8 °F