Harman US

Royalton, MN Weather & Growing Conditions

Overnight
47°F
Light Rain
Rain before 5am, then rain and patchy fog. Cloudy, with a low around 47. 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

WhenTempForecastWindPrecip
Overnight 47°F Light Rain 10 to 15 mph N 79%
Wednesday 50°F Light Rain then Drizzle Likely 15 mph N 96%
Wednesday Night 38°F Light Rain then Slight Chance Drizzle 15 mph NNW 84%
Thursday 43°F Mostly Cloudy 10 to 15 mph N 8%
Thursday Night 27°F Partly Cloudy 0 to 5 mph NNE 0%
Friday 42°F Sunny 0 mph 0%
Friday Night 26°F Partly Cloudy 0 mph 0%
Saturday 47°F Mostly Sunny 0 to 10 mph SW 3%
Saturday Night 33°F Partly Cloudy 5 mph W 3%
Sunday 50°F Sunny 5 to 10 mph W 1%
Sunday Night 34°F Partly Cloudy 0 to 5 mph SSW 0%
Monday 56°F Mostly Sunny 5 to 10 mph WSW 1%
Monday Night 35°F Mostly Clear 0 to 5 mph WNW 0%
Tuesday 52°F Mostly Sunny 0 to 5 mph WNW 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Royalton, MN

Last spring frost
May 10
First fall frost
Sep 29
Growing season
140 days
Hardiness zone
4a

Explore more for Royalton, MN: full frost dates · planting calendar · Minnesota frost dates

Climate data from the nearest NOAA station, Rice, Mn (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.