Harmony, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harmony, a city in Fillmore County, Minnesota.
This Afternoon
63°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy, with a high near 63. East wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Harmony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Showers And Thunderstorms Likely | 10 mph E | 62% |
| Tonight | 59°F | Showers And Thunderstorms | 10 to 16 mph E | 96% |
| Saturday | 68°F | Showers And Thunderstorms Likely | 9 mph NE | 73% |
| Saturday Night | 56°F | Rain Showers Likely | 8 to 14 mph NE | 61% |
| Sunday | 64°F | Slight Chance Rain Showers then Mostly Cloudy | 14 mph NE | 15% |
| Sunday Night | 50°F | Mostly Cloudy | 9 to 13 mph NE | 9% |
| Monday | 60°F | Chance Rain Showers | 13 mph NE | 39% |
| Monday Night | 45°F | Chance Rain Showers | 9 mph NE | 39% |
| Tuesday | 59°F | Slight Chance Rain Showers then Partly Sunny | 9 mph NE | 17% |
| Tuesday Night | 44°F | Partly Cloudy | 5 mph E | 4% |
| Wednesday | 63°F | Sunny | 5 mph E | 0% |
| Wednesday Night | 49°F | Partly Cloudy | 2 mph SE | 5% |
| Thursday | 66°F | Mostly Sunny | 3 mph SE | 12% |
| Thursday Night | 51°F | Partly Cloudy | 3 mph S | 8% |
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 Sep 19, 2026.