Franklin, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Franklin, a city in Johnson County, Indiana.
This Afternoon
83°F
Mostly Cloudy
Mostly cloudy. High near 83, with temperatures falling to around 81 in the afternoon. Northeast wind around 9 mph.
7-day forecast for Franklin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Mostly Cloudy | 9 mph NE | 11% |
| Tonight | 66°F | Isolated Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph ENE | 16% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 7 mph SSE | 50% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 7 mph SSE | 50% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph WSW | 29% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 7 to 10 mph NNE | 54% |
| Monday | 75°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 64% |
| Monday Night | 58°F | Chance Showers And Thunderstorms | 9 to 15 mph NE | 50% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 13 mph NE | 48% |
| Tuesday Night | 58°F | Chance Showers And Thunderstorms then Mostly Cloudy | 6 to 15 mph NNE | 36% |
| Wednesday | 71°F | Mostly Cloudy | 6 to 10 mph NNE | 8% |
| Wednesday Night | 57°F | Mostly Cloudy | 5 to 10 mph N | 7% |
| Thursday | 73°F | Partly Sunny | 5 to 9 mph N | 6% |
| Thursday Night | 57°F | Mostly Cloudy | 5 to 9 mph NNE | 6% |
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 Sep 18, 2026.