Trosky, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trosky, a city in Rock County, Minnesota.
Tonight
53°F
Patchy Fog
Patchy fog before 3am. Cloudy, with a low around 53. Northeast wind around 10 mph.
7-day forecast for Trosky
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Patchy Fog | 10 mph NE | 5% |
| Sunday | 65°F | Mostly Cloudy | 10 to 15 mph NE | 6% |
| Sunday Night | 49°F | Rain Showers Likely | 10 to 15 mph ENE | 72% |
| Monday | 57°F | Rain Showers Likely | 10 mph ENE | 72% |
| Monday Night | 43°F | Mostly Cloudy | 5 to 10 mph ENE | 11% |
| Tuesday | 62°F | Mostly Sunny | 5 to 10 mph E | 3% |
| Tuesday Night | 43°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 65°F | Mostly Sunny | 5 to 10 mph SE | 6% |
| Wednesday Night | 50°F | Chance Showers And Thunderstorms | 10 mph SSE | 50% |
| Thursday | 68°F | Chance Showers And Thunderstorms | 10 to 15 mph SSE | 50% |
| Thursday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph SE | 15% |
| Friday | 71°F | Mostly Cloudy | 5 to 10 mph SE | 12% |
| Friday Night | 56°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph SE | 25% |
| Saturday | 70°F | Chance Rain Showers | 10 to 15 mph SSE | 37% |
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 Sep 20, 2026.