Harmony, IN Weather & Growing Conditions
Tonight
67°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Partly cloudy. Low around 67, with temperatures rising to around 70 overnight. East wind 6 to 9 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 67°F | Scattered Showers And Thunderstorms | 6 to 9 mph E | 15% |
| Saturday | 89°F | Isolated Showers And Thunderstorms | 7 mph S | 35% |
| Saturday Night | 70°F | Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph SSE | 26% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 3 to 7 mph W | 26% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 mph NNE | 54% |
| Monday | 75°F | Showers And Thunderstorms Likely | 12 mph NE | 56% |
| Monday Night | 57°F | Showers And Thunderstorms Likely | 9 to 14 mph NE | 55% |
| Tuesday | 71°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 | 72°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). Updated through the day.
Growing snapshot for Harmony, IN
Last spring frost
Apr 27
First fall frost
Oct 15
Growing season
169 days
Explore more for Harmony, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Greencastle 1 W, In (12.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.