Weather forecast for: Irmo SC
Last Update: 3:01 pm EDT Sep 17, 2026
Tonight: Clear, with a low around 71. Calm wind.
Friday: A slight chance of showers and thunderstorms between 4pm and 5pm. Sunny, with a high near 96. Heat index values as high as 102. Light and variable wind. Chance of precipitation is 20%.
Friday Night: A chance of showers and thunderstorms, mainly between 11pm and 2am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Monday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 50%.
Monday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Tuesday: Showers likely after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Tuesday Night: Showers likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Wednesday: Partly sunny, with a high near 81.
Wednesday Night: Mostly cloudy, with a low around 64.
Thursday: Partly sunny, with a high near 74.