Ronneby, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ronneby, a community in Benton County, Minnesota.
Overnight
48°F
Light Rain Likely
Rain likely before 4am, then rain and patchy fog. Cloudy, with a low around 48. North wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Ronneby
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Light Rain Likely | 10 to 15 mph N | 80% |
| Wednesday | 52°F | Light Rain then Drizzle Likely | 10 to 15 mph N | 95% |
| Wednesday Night | 40°F | Drizzle | 15 mph NNW | 81% |
| Thursday | 45°F | Mostly Cloudy | 10 to 15 mph N | 10% |
| Thursday Night | 28°F | Mostly Cloudy | 0 to 10 mph NNE | 0% |
| Friday | 43°F | Sunny | 0 to 5 mph E | 0% |
| Friday Night | 26°F | Mostly Clear | 0 mph | 0% |
| Saturday | 47°F | Mostly Sunny | 0 to 10 mph SW | 3% |
| Saturday Night | 33°F | Partly Cloudy | 5 mph W | 4% |
| Sunday | 52°F | Sunny | 5 to 10 mph W | 1% |
| Sunday Night | 34°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Monday | 56°F | Mostly Sunny | 5 to 10 mph WSW | 1% |
| Monday Night | 35°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 52°F | Sunny | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Ronneby (45.685, -93.860). Updated through the day.
Growing snapshot for Ronneby
Last spring frost
May 8
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
4a
More local growing data for Ronneby: nearby ZIP 56329 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Milaca, Mn (12.6 mi from Ronneby). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.