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 79°F 2025-06-18T03:35:00-04:00 
Overnight 2025-06-18, Mostly Clear. Mostly clear, with a low around 78. Southwest wind around 10 mph.
Wednesday 2025-06-18, Sunny. Sunny, with a high near 91. Heat index values as high as 103. Southwest wind 9 to 14 mph.- Wednesday Night 2025-06-18, Partly Cloudy. Partly cloudy, with a low around 79. Southwest wind 10 to 14 mph, with gusts as high as 23 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 90. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Thursday Night 2025-06-19, Chance T-storms. A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southwest wind 9 to 14 mph, with gusts as high as 22 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 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. 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 then Chance Showers. A 40 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 76.
Saturday 2025-06-21, Chance T-storms. A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89.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 77.
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 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 90.
- Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 76.
- Tuesday 2025-06-24, Sunny. Sunny, with a high near 90.