I-26 weather conditions near Charleston, South Carolina
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 86°F 2025-06-18T18:15:00-04:00 
Tonight 2025-06-18, Partly Cloudy. Partly cloudy, with a low around 78. Southwest wind 9 to 13 mph.- Juneteenth 2025-06-19, Mostly Sunny. Mostly sunny, with a high near 92. Heat index values as high as 106. Southwest wind 9 to 14 mph.
Thursday Night 2025-06-19, Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. South wind 8 to 11 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.Friday 2025-06-20, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 102. West wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
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 75. South wind around 6 mph becoming calm in the evening.
Saturday 2025-06-21, Chance Showers. A 30 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly sunny, with a high near 90.
Saturday Night 2025-06-21, Mostly Clear. Mostly clear, with a low around 75.- Sunday 2025-06-22, Mostly Sunny. Mostly sunny, with a high near 90.
- Sunday Night 2025-06-22, Mostly Clear. Mostly clear, with a low around 75.
Monday 2025-06-23, Sunny. Sunny, with a high near 93.- Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 75.
Tuesday 2025-06-24, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.- Tuesday Night 2025-06-24, Mostly Clear. Mostly clear, with a low around 75.
- Wednesday 2025-06-25, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.