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 88°F 2025-06-18T15:55:00-04:00 
This Afternoon 2025-06-18, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms before 5pm. Sunny, with a high near 91. Heat index values as high as 103. South wind around 14 mph.
Tonight 2025-06-18, Partly Cloudy. Partly cloudy, with a low around 78. South wind around 11 mph.- Juneteenth 2025-06-19, Mostly Sunny. Mostly sunny, with a high near 91. Heat index values as high as 105. Southwest wind 10 to 14 mph, with gusts as high as 21 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 13 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. West wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth 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. Partly cloudy, with a low around 75.
Saturday 2025-06-21, Chance Showers. A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 89.
Saturday Night 2025-06-21, Mostly Clear. Mostly clear, with a low around 76.- 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 76.
Monday 2025-06-23, Sunny. Sunny, with a high near 92.- Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 76.
- Tuesday 2025-06-24, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
- 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 90.