Nielsville, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nielsville, a city in Polk County, Minnesota.
Today
72°F
Patchy Fog then Mostly Cloudy
Patchy fog before 10am. Mostly cloudy. High near 72, with temperatures falling to around 70 in the afternoon. Northeast wind 5 to 14 mph.
7-day forecast for Nielsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Patchy Fog then Mostly Cloudy | 5 to 14 mph NE | 10% |
| Tonight | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 9 to 15 mph NNE | 22% |
| Sunday | 67°F | Partly Sunny | 9 to 13 mph NE | 0% |
| Sunday Night | 43°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Monday | 69°F | Sunny | 5 to 8 mph SE | 0% |
| Monday Night | 41°F | Mostly Clear | 5 to 8 mph SE | 1% |
| Tuesday | 69°F | Sunny | 8 to 17 mph SSE | 1% |
| Tuesday Night | 46°F | Mostly Clear | 15 mph SSE | 0% |
| Wednesday | 70°F | Mostly Sunny | 14 to 22 mph SSE | 4% |
| Wednesday Night | 50°F | Partly Cloudy then Slight Chance Rain Showers | 10 to 16 mph SSE | 15% |
| Thursday | 72°F | Slight Chance Rain Showers then Partly Sunny | 10 to 16 mph SSE | 15% |
| Thursday Night | 52°F | Partly Cloudy | 13 mph SSE | 10% |
| Friday | 75°F | Mostly Sunny | 10 to 20 mph SSE | 9% |
| Friday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 15 to 18 mph SSE | 15% |
Forecast source: National Weather Service (api.weather.gov) for Nielsville (47.529, -96.816). Updated through the day.
Growing snapshot for Nielsville
Last spring frost
May 2
First fall frost
Oct 9
Growing season
158 days
Hardiness zone
4a
More local growing data for Nielsville: nearby ZIP 56568 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hillsboro 3 N, Nd (14.8 mi from Nielsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.