I-26 weather conditions near Charleston, South Carolina
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Current Weather Conditions
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7 day weather forecast
Current condition: Fair 82°F 2025-06-17T07:35:00-04:00 
Today 2025-06-17, Sunny. Sunny, with a high near 92. Heat index values as high as 103. Southwest wind 8 to 13 mph.
Tonight 2025-06-17, Mostly Clear. Mostly clear, with a low around 78. Southwest wind around 11 mph.- Wednesday 2025-06-18, Sunny. Sunny, with a high near 91. Heat index values as high as 102. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Wednesday Night 2025-06-18, Partly Cloudy. Partly cloudy, with a low around 78. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.Juneteenth 2025-06-19, Sunny then Chance T-storms. A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday Night 2025-06-19, Chance T-storms. A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Friday 2025-06-20, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 91.- Friday Night 2025-06-20, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 77.
Saturday 2025-06-21, Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 90.- Saturday Night 2025-06-21, Mostly Clear. Mostly clear, with a low around 78.
Sunday 2025-06-22, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.- Sunday Night 2025-06-22, Mostly Clear. Mostly clear, with a low around 77.
Monday 2025-06-23, Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.