Greensburg, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greensburg, a city in Decatur County, Indiana.
Tonight
65°F
Isolated Rain Showers then Partly Cloudy
Isolated rain showers before 10pm. Partly cloudy. Low around 65, with temperatures rising to around 67 overnight. East wind around 7 mph. Chance of precipitation is 20%.
7-day forecast for Greensburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Isolated Rain Showers then Partly Cloudy | 7 mph E | 15% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 7 mph SSE | 49% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 6 mph SSE | 49% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 5 mph WSW | 36% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 3 to 7 mph NNE | 47% |
| Monday | 75°F | Showers And Thunderstorms Likely | 8 mph NE | 59% |
| Monday Night | 58°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 51% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 9 mph NE | 46% |
| Tuesday Night | 57°F | Chance Showers And Thunderstorms | 3 to 10 mph NNE | 35% |
| Wednesday | 70°F | Mostly Cloudy | 3 to 7 mph NNE | 12% |
| Wednesday Night | 57°F | Mostly Cloudy | 3 to 7 mph NNE | 11% |
| Thursday | 72°F | Partly Sunny | 6 mph N | 6% |
| Thursday Night | 56°F | Mostly Cloudy | 2 to 6 mph NNE | 6% |
| Friday | 72°F | Mostly Sunny | 6 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Greensburg (39.351, -85.501). Updated through the day.
Growing snapshot for Greensburg
Last spring frost
Apr 15
First fall frost
Oct 26
Growing season
194 days
Hardiness zone
6b
More local growing data for Greensburg: nearby ZIP 47240 weather · frost dates · planting calendar · Indiana frost dates
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St. Omer
St. Paul
Westport
Climate data from the nearest NOAA station, Greensburg, In (2.9 mi from Greensburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.