Harmony, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harmony, a city in Fillmore County, Minnesota.
Today
73°F
Chance Showers And Thunderstorms
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly cloudy. High near 73, with temperatures falling to around 70 in the afternoon. West wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Harmony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Chance Showers And Thunderstorms | 7 to 13 mph W | 51% |
| Tonight | 57°F | Chance Showers And Thunderstorms | 7 mph NW | 51% |
| Wednesday | 74°F | Mostly Sunny | 5 mph N | 3% |
| Wednesday Night | 55°F | Mostly Clear | 5 mph W | 0% |
| Thursday | 78°F | Sunny | 6 mph SW | 0% |
| Thursday Night | 60°F | Mostly Clear | 5 to 8 mph S | 1% |
| Friday | 81°F | Sunny | 7 to 12 mph SW | 8% |
| Friday Night | 64°F | Mostly Clear | 10 mph SW | 11% |
| Saturday | 81°F | Mostly Sunny | 9 mph S | 10% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 12 mph SW | 37% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 12 mph SW | 37% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 8 mph SE | 38% |
| Monday | 81°F | Chance Rain Showers | 9 mph S | 38% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 9 mph N | 29% |
Forecast source: National Weather Service (api.weather.gov) for Harmony (43.554, -92.007). Updated through the day.
Growing snapshot for Harmony
Last spring frost
May 14
First fall frost
Sep 28
Growing season
136 days
Hardiness zone
4b
More local growing data for Harmony: nearby ZIP 55939 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Canton
Chatfield
Fountain
Lanesboro
Mabel
Peterson
Preston
Rushford
Rushford Village
Spring Valley
Whalan
Wykoff
Climate data from the nearest NOAA station, Preston, Mn (8.7 mi from Harmony). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.