Franklin, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Franklin, a city in Johnson County, Indiana.
This Afternoon
69°F
Slight Chance Light Rain
A slight chance of rain. Cloudy. High near 69, with temperatures falling to around 65 in the afternoon. West southwest wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Franklin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Slight Chance Light Rain | 13 mph WSW | 16% |
| Tonight | 47°F | Mostly Cloudy | 5 to 10 mph WSW | 4% |
| Thursday | 63°F | Mostly Sunny | 6 to 14 mph SW | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 3 to 7 mph W | 8% |
| Friday | 55°F | Mostly Cloudy | 5 to 12 mph NW | 11% |
| Friday Night | 35°F | Partly Cloudy | 5 to 10 mph NW | 11% |
| Saturday | 54°F | Mostly Sunny | 5 to 8 mph NW | 0% |
| Saturday Night | 30°F | Partly Cloudy | 5 mph NW | 0% |
| Sunday | 58°F | Sunny | 2 to 8 mph W | 0% |
| Sunday Night | 33°F | Mostly Clear | 2 to 6 mph W | 0% |
| Monday | 62°F | Sunny | 1 to 7 mph WSW | 0% |
| Monday Night | 37°F | Clear | 6 mph SW | 0% |
| Tuesday | 63°F | Sunny | 6 mph WSW | 1% |
| Tuesday Night | 37°F | Mostly Clear | 1 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Franklin (39.495, -86.051). Updated through the day.
Growing snapshot for Franklin
Last spring frost
Apr 20
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
6b
More local growing data for Franklin: nearby ZIP 46131 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Franklin Wwtp, In (0.4 mi from Franklin). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.