Irmo, SC Weather & Growing Conditions
Today
86°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2pm, then showers and thunderstorms likely between 2pm and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Chance Showers And Thunderstorms | 5 mph E | 72% |
| Tonight | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph E | 66% |
| Wednesday | 88°F | Chance Showers And Thunderstorms | 1 to 7 mph SE | 61% |
| Wednesday Night | 71°F | Showers And Thunderstorms Likely | 5 mph S | 57% |
| Thursday | 90°F | Mostly Sunny then Showers And Thunderstorms Likely | 2 to 6 mph S | 58% |
| Thursday Night | 71°F | Showers And Thunderstorms Likely | 1 to 5 mph S | 58% |
| Friday | 91°F | Chance Showers And Thunderstorms | 1 to 6 mph S | 31% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 31% |
| Saturday | 91°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 21% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph S | 21% |
| Sunday | 92°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 5 mph SW | 37% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms | 3 mph SW | 37% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 30% |
| Monday Night | 73°F | Chance Showers And Thunderstorms | 3 mph SW | 30% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Irmo, SC
Last spring frost
Apr 10
First fall frost
Oct 28
Growing season
201 days
Hardiness zone
8b
Explore more for Irmo, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Cedar Creek 2E, Sc (9.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.