Carthage, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Carthage, a town in Rush County, Indiana.
Tonight
63°F
Partly Cloudy
Partly cloudy, with a low around 63. East wind around 8 mph.
7-day forecast for Carthage
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Partly Cloudy | 8 mph E | 11% |
| Saturday | 86°F | Isolated Showers And Thunderstorms | 5 to 8 mph SE | 63% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 7 mph SSE | 63% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 6 mph WSW | 44% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 7 to 10 mph NE | 57% |
| Monday | 73°F | Showers And Thunderstorms Likely | 9 to 13 mph ENE | 60% |
| Monday Night | 56°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 52% |
| Tuesday | 71°F | Chance Showers And Thunderstorms | 12 mph NE | 42% |
| Tuesday Night | 56°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 13 mph NE | 23% |
| Wednesday | 71°F | Mostly Cloudy | 6 to 9 mph NNE | 10% |
| Wednesday Night | 55°F | Mostly Cloudy | 3 to 9 mph NNE | 10% |
| Thursday | 72°F | Partly Sunny | 5 to 8 mph N | 7% |
| Thursday Night | 55°F | Mostly Cloudy | 3 to 8 mph NNE | 7% |
| Friday | 72°F | Partly Sunny | 3 to 8 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Carthage (39.737, -85.571). Updated through the day.
Growing snapshot for Carthage
Last spring frost
Apr 19
First fall frost
Oct 22
Growing season
185 days
Hardiness zone
6a
More local growing data for Carthage: nearby ZIP 46115 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Greenfield, In (10.8 mi from Carthage). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.