Harmony, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harmony, a town in Clay County, Indiana.
Tonight
67°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy. Low around 67, with temperatures rising to around 69 overnight. East wind 6 to 9 mph. Chance of precipitation is 50%.
7-day forecast for Harmony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 67°F | Chance Showers And Thunderstorms | 6 to 9 mph E | 53% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 7 mph S | 35% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 5 mph SSE | 26% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 3 to 7 mph W | 25% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 mph NNE | 53% |
| Monday | 75°F | Showers And Thunderstorms Likely | 12 mph NE | 56% |
| Monday Night | 57°F | Showers And Thunderstorms Likely | 9 to 14 mph NE | 56% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 12 mph NE | 39% |
| Tuesday Night | 56°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 13 mph NNE | 24% |
| Wednesday | 71°F | Partly Sunny | 5 to 9 mph NNE | 4% |
| Wednesday Night | 55°F | Mostly Cloudy | 2 to 9 mph NNE | 4% |
| Thursday | 73°F | Partly Sunny | 3 to 8 mph N | 3% |
| Thursday Night | 56°F | Mostly Cloudy | 2 to 8 mph NNE | 3% |
| Friday | 74°F | Mostly Sunny | 3 to 9 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Harmony (39.534, -87.073). Updated through the day.
Growing snapshot for Harmony
Last spring frost
Apr 27
First fall frost
Oct 15
Growing season
169 days
More local growing data for Harmony: nearby ZIP 47853 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Billtown
Bowling Green
Brazil
Center Point
Clay City
Cloverland
Coalmont
Cory
Knightsville
Lewis
Middlebury
Saline City
Staunton
Climate data from the nearest NOAA station, Greencastle 1 W, In (12.8 mi from Harmony). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.