I-26 weather conditions near Harleyville, South Carolina
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 73°F 2025-06-18T06:35:00-04:00 
Today 2025-06-18, Sunny. Sunny, with a high near 95. Heat index values as high as 102. Southwest wind 3 to 8 mph.
Tonight 2025-06-18, Partly Cloudy. Partly cloudy, with a low around 75. South wind around 7 mph.Juneteenth 2025-06-19, Sunny then Chance T-storms. A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 101. Southwest wind 6 to 9 mph.
Thursday Night 2025-06-19, Chance T-storms. A chance of showers and thunderstorms before 5am, then a slight chance of showers. Partly cloudy, with a low around 72. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday 2025-06-20, Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 92. Light west wind. Chance of precipitation is 40%.
Friday Night 2025-06-20, Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71.- Saturday 2025-06-21, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93.
Saturday Night 2025-06-21, Chance T-storms then Mostly Clear. A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72.
Sunday 2025-06-22, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 94.
Sunday Night 2025-06-22, Mostly Clear. Mostly clear, with a low around 72.- Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 72.
- Tuesday 2025-06-24, Sunny. Sunny, with a high near 94.