Irmo, SC Weather Forecast
Richland County, South Carolina
Live radar, warnings and storm tracking for Irmo, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Irmo
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Irmo, SC at a glance
Irmo is home to about 12,033 people in Richland County, across 7 square miles. It ranks 38th by population of 100 places in South Carolina with a forecast here. The nearest neighbour with its own forecast is Lexington, 8 miles away.
- County
- Richland County
- Population
- 12,033 2023 est.
- Land area
- 7 sq mi
- People per sq mi
- 1,712
- Forecast point
- 34.1021°N, 81.1959°W
How well can the network see Irmo?
The nearest Doppler radar is KCAE (Columbia, SC), to the SSE. Its lowest scan passes about 590 ft above Irmo. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Irmo show up clearly. Irmo is closer to its radar than 94% of US cities.
The closest weather station is KCAE (Columbia Metro). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Irmo
- Lexington, SC8 mi
- West Columbia, SC10 mi
- Springdale, SC11 mi
- Forest Acres, SC14 mi
- Blythewood, SC14 mi
- Cayce, SC14 mi
- Columbia, SC17 mi
- Winnsboro, SC19 mi
Elsewhere in South Carolina
CharlestonColumbiaNorth CharlestonMount PleasantRock HillGreenvilleAll South Carolina forecasts →

