| NWS Forecast for: Irmo SC Issued by: National Weather Service Columbia, SC Last Update: 2:20 am EDT Jun 18, 2026 |  |
| Today: A slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 92. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%. Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Patchy fog after 5am. Low around 71. Southwest wind 6 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible. Juneteenth: Showers and thunderstorms, mainly before 3pm. Patchy fog before 9am. High near 89. West wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. Friday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Saturday: Mostly sunny, with a high near 91. Light northeast wind. Saturday Night: Partly cloudy, with a low around 70. Sunday: Mostly sunny, with a high near 93. Sunday Night: Partly cloudy, with a low around 74. Monday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 40%. Monday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 74. Chance of precipitation is 30%. Tuesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%. Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%. Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%. | |
| Irmo SC 34.08°N 81.18°W (Elev. 299 ft) | |
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