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: Mostly Cloudy 73°F 2025-07-12T01:55:00-04:00
Overnight 2025-07-12, Partly Cloudy. Partly cloudy, with a low around 74. Calm wind.
Saturday 2025-07-12, Slight Chance Showers then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night 2025-07-12, T-storms Likely then Partly Cloudy. Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. Light southwest wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday 2025-07-13, Sunny then Chance T-storms. A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 110. Light west wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night 2025-07-13, Chance T-storms then Mostly Clear. A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Calm wind.
Monday 2025-07-14, Slight Chance T-storms then T-storms Likely. A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 94. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night 2025-07-14, T-storms Likely then Chance T-storms. Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Tuesday 2025-07-15, T-storms Likely. Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 90. Chance of precipitation is 70%.
Tuesday Night 2025-07-15, T-storms Likely then Chance T-storms. Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Wednesday 2025-07-16, Showers Likely then T-storms. Showers and possibly a thunderstorm. High near 89. Chance of precipitation is 80%.
Wednesday Night 2025-07-16, T-storms then Chance Showers. Showers and thunderstorms. Low around 76. Chance of precipitation is 80%.
Thursday 2025-07-17, Showers Likely then T-storms Likely. Showers and thunderstorms likely. Mostly cloudy, with a high near 91. Chance of precipitation is 70%.
Thursday Night 2025-07-17, T-storms Likely then Slight Chance T-storms. Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Friday 2025-07-18, T-storms Likely. Showers and thunderstorms likely. Partly sunny, with a high near 93. Chance of precipitation is 60%.
Current condition: Mostly Cloudy 73°F 2025-07-12T01:55:00-04:00 
Overnight 2025-07-12, Partly Cloudy. Partly cloudy, with a low around 74. Calm wind.Saturday 2025-07-12, Slight Chance Showers then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night 2025-07-12, T-storms Likely then Partly Cloudy. Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. Light southwest wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday 2025-07-13, Sunny then Chance T-storms. A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 110. Light west wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night 2025-07-13, Chance T-storms then Mostly Clear. A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Calm wind.
Monday 2025-07-14, Slight Chance T-storms then T-storms Likely. A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 94. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night 2025-07-14, T-storms Likely then Chance T-storms. Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Tuesday 2025-07-15, T-storms Likely. Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 90. Chance of precipitation is 70%.Wednesday 2025-07-16, Showers Likely then T-storms. Showers and possibly a thunderstorm. High near 89. Chance of precipitation is 80%.
Wednesday Night 2025-07-16, T-storms then Chance Showers. Showers and thunderstorms. Low around 76. Chance of precipitation is 80%.
Thursday 2025-07-17, Showers Likely then T-storms Likely. Showers and thunderstorms likely. Mostly cloudy, with a high near 91. Chance of precipitation is 70%.
Thursday Night 2025-07-17, T-storms Likely then Slight Chance T-storms. Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Friday 2025-07-18, T-storms Likely. Showers and thunderstorms likely. Partly sunny, with a high near 93. Chance of precipitation is 60%.