Simpsonville, KY Weather & Growing Conditions
Tonight
62°F
Mostly Cloudy then Showers And Thunderstorms
Rain showers likely between midnight and 4am, then showers and thunderstorms. Mostly cloudy, with a low around 62. South wind 6 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Mostly Cloudy then Showers And Thunderstorms | 6 to 15 mph S | 96% |
| Wednesday | 69°F | Showers And Thunderstorms | 9 to 15 mph S | 93% |
| Wednesday Night | 50°F | Mostly Cloudy | 7 mph SW | 3% |
| Thursday | 67°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 5 mph W | 0% |
| Friday | 63°F | Partly Sunny | 2 to 8 mph W | 8% |
| Friday Night | 41°F | Mostly Cloudy | 7 mph N | 11% |
| Saturday | 57°F | Mostly Sunny | 7 mph N | 3% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph NW | 2% |
| Sunday | 59°F | Mostly Sunny | 2 to 8 mph SW | 6% |
| Sunday Night | 35°F | Mostly Clear then Slight Chance Rain Showers | 7 mph W | 15% |
| Monday | 61°F | Slight Chance Rain Showers then Sunny | 5 to 8 mph W | 15% |
| Monday Night | 37°F | Mostly Clear | 6 mph SW | 6% |
| Tuesday | 65°F | Sunny | 8 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Simpsonville, KY
Last spring frost
May 1
First fall frost
Oct 10
Growing season
161 days
Hardiness zone
6b
Explore more for Simpsonville, KY: full frost dates · planting calendar · Kentucky frost dates
Climate data from the nearest NOAA station, Shelbyville 1 E, Ky (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.