Trosky, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trosky, a city in Rock County, Minnesota.
Overnight
38°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 38, with temperatures rising to around 41 overnight. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Trosky
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Chance Rain Showers | 15 mph NW | 53% |
| Wednesday | 43°F | Rain Showers | 15 mph NW | 78% |
| Wednesday Night | 35°F | Rain Showers Likely then Cloudy | 15 mph NW | 61% |
| Thursday | 43°F | Mostly Cloudy | 10 to 15 mph N | 1% |
| Thursday Night | 28°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 43°F | Mostly Sunny | 0 mph | 0% |
| Friday Night | 27°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 49°F | Mostly Sunny | 0 to 10 mph SW | 1% |
| Saturday Night | 32°F | Mostly Clear | 5 mph W | 0% |
| Sunday | 53°F | Sunny | 5 to 10 mph WSW | 0% |
| Sunday Night | 35°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 58°F | Mostly Sunny | 5 to 10 mph W | 0% |
| Monday Night | 35°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Tuesday | 56°F | Mostly Sunny | 0 to 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Trosky (43.890, -96.248). Updated through the day.
Growing snapshot for Trosky
Last spring frost
May 4
First fall frost
Oct 2
Growing season
152 days
Hardiness zone
4b
More local growing data for Trosky: nearby ZIP 56134 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Pipestone, Mn (16.2 mi from Trosky). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.