I-26 weather conditions near Summerville, South Carolina
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 91°F 2025-07-13T15:55:00-04:00
This Afternoon 2025-07-13, Chance T-storms. A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 94. Heat index values as high as 106. Light southeast wind.
Tonight 2025-07-13, Chance T-storms then Partly Cloudy. A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Calm wind.
Monday 2025-07-14, Mostly Sunny then Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming east around 5 mph in the afternoon.
Monday Night 2025-07-14, Chance T-storms then Partly Cloudy. A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Light southeast wind.
Tuesday 2025-07-15, Chance T-storms then T-storms Likely. A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 92. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night 2025-07-15, T-storms Likely then Slight Chance T-storms. Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday 2025-07-16, Showers Likely then T-storms Likely. A slight chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 91. Chance of precipitation is 70%.
Wednesday Night 2025-07-16, T-storms Likely then Partly Cloudy. Thunderstorms likely before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Thursday 2025-07-17, T-storms Likely. Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 60%.
Thursday Night 2025-07-17, T-storms Likely then Partly Cloudy. Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 60%.
Friday 2025-07-18, Slight Chance T-storms then Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Friday Night 2025-07-18, Chance T-storms then Partly Cloudy. A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Saturday 2025-07-19, Sunny then Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Saturday Night 2025-07-19, Chance T-storms. A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Sunday 2025-07-20, Slight Chance T-storms then T-storms Likely. Showers and thunderstorms likely. Mostly sunny, with a high near 95. Chance of precipitation is 60%.
Current condition: Fair 91°F 2025-07-13T15:55:00-04:00 
This Afternoon 2025-07-13, Chance T-storms. A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 94. Heat index values as high as 106. Light southeast wind.Tonight 2025-07-13, Chance T-storms then Partly Cloudy. A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Calm wind.
Monday 2025-07-14, Mostly Sunny then Chance T-storms. A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming east around 5 mph in the afternoon.
Monday Night 2025-07-14, Chance T-storms then Partly Cloudy. A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Light southeast wind.
Tuesday 2025-07-15, Chance T-storms then T-storms Likely. A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 92. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night 2025-07-15, T-storms Likely then Slight Chance T-storms. Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday 2025-07-16, Showers Likely then T-storms Likely. A slight chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 91. Chance of precipitation is 70%.
Wednesday Night 2025-07-16, T-storms Likely then Partly Cloudy. Thunderstorms likely before 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Thursday 2025-07-17, T-storms Likely. Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 60%.Thursday Night 2025-07-17, T-storms Likely then Partly Cloudy. Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 60%.
Friday 2025-07-18, Slight Chance T-storms then Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Saturday 2025-07-19, Sunny then Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Saturday Night 2025-07-19, Chance T-storms. A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.Sunday 2025-07-20, Slight Chance T-storms then T-storms Likely. Showers and thunderstorms likely. Mostly sunny, with a high near 95. Chance of precipitation is 60%.