Franklin, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Franklin, a city in Simpson County, Kentucky.
This Afternoon
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 104. West wind around 5 mph.
7-day forecast for Franklin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Sunny | 5 mph W | 9% |
| Tonight | 72°F | Mostly Clear | 5 mph S | 3% |
| Sunday | 97°F | Sunny | 7 mph SW | 6% |
| Sunday Night | 71°F | Partly Cloudy | 5 mph S | 3% |
| Monday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 mph W | 22% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 6 mph N | 51% |
| Tuesday | 84°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 9 mph N | 47% |
| Tuesday Night | 62°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 47% |
| Wednesday | 80°F | Chance Rain Showers | 5 to 8 mph N | 42% |
| Wednesday Night | 59°F | Slight Chance Rain Showers then Partly Cloudy | 3 to 8 mph N | 18% |
| Thursday | 79°F | Mostly Sunny | 3 to 8 mph N | 7% |
| Thursday Night | 58°F | Partly Cloudy | 3 to 8 mph N | 4% |
| Friday | 79°F | Mostly Sunny | 3 to 9 mph N | 5% |
| Friday Night | 57°F | Partly Cloudy | 5 to 8 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Franklin (36.718, -86.558). Updated through the day.
Growing snapshot for Franklin
Last spring frost
Apr 5
First fall frost
Nov 1
Growing season
210 days
Hardiness zone
7a
More local growing data for Franklin: nearby ZIP 42134 weather · frost dates · planting calendar · Kentucky frost dates
Climate data from the nearest NOAA station, Portland Sewage Plt, Tn (9.8 mi from Franklin). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.