St. Charles, KY Weather & Growing Conditions
Overnight
71°F
Mostly Clear
Mostly clear. Low around 71, with temperatures rising to around 73 overnight. Southeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Clear | 1 mph SE | 2% |
| Saturday | 97°F | Sunny | 1 to 5 mph SW | 2% |
| Saturday Night | 72°F | Mostly Clear | 3 mph SSW | 2% |
| Sunday | 97°F | Sunny | 3 to 7 mph SW | 0% |
| Sunday Night | 70°F | Partly Cloudy | 3 mph WNW | 5% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph NNE | 36% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 5 mph N | 44% |
| Tuesday | 80°F | Chance Showers And Thunderstorms | 3 to 7 mph N | 44% |
| Tuesday Night | 59°F | Slight Chance Rain Showers | 2 to 7 mph N | 17% |
| Wednesday | 77°F | Mostly Sunny | 6 mph N | 11% |
| Wednesday Night | 57°F | Partly Cloudy | 5 mph N | 5% |
| Thursday | 77°F | Mostly Sunny | 2 to 6 mph N | 4% |
| Thursday Night | 57°F | Partly Cloudy | 5 mph N | 5% |
| Friday | 78°F | Mostly Sunny | 2 to 7 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Charles, KY
Last spring frost
Apr 2
First fall frost
Nov 1
Growing season
212 days
Hardiness zone
7a
Explore more for St. Charles, KY: full frost dates · planting calendar · Kentucky frost dates
Climate data from the nearest NOAA station, Madisonville, Ky (13.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.