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Ronneby, MN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Ronneby, a community in Benton County, Minnesota.

Tonight
53°F
Chance Rain Showers
A chance of rain showers and patchy fog before 1am, then a chance of drizzle and patchy fog. Cloudy. Low around 53, with temperatures rising to around 56 overnight. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Ronneby

WhenTempForecastWindPrecip
Tonight 53°F Chance Rain Showers 10 to 15 mph E 37%
Saturday 64°F Cloudy 10 mph NE 19%
Saturday Night 50°F Partly Cloudy 5 to 10 mph NE 3%
Sunday 67°F Partly Sunny 10 to 15 mph NE 0%
Sunday Night 46°F Mostly Cloudy 10 mph ENE 2%
Monday 63°F Partly Sunny 5 to 10 mph E 5%
Monday Night 42°F Partly Cloudy 5 mph ENE 5%
Tuesday 64°F Mostly Sunny 5 to 10 mph ESE 2%
Tuesday Night 42°F Mostly Clear 0 to 5 mph ESE 0%
Wednesday 66°F Sunny 5 to 10 mph SE 1%
Wednesday Night 47°F Partly Cloudy 0 to 5 mph SSE 11%
Thursday 69°F Partly Sunny 0 to 10 mph SSE 12%
Thursday Night 49°F Partly Cloudy 0 to 5 mph SE 5%
Friday 71°F Mostly Sunny 0 to 10 mph SE 10%

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

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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 Sep 19, 2026.