Blackduck, MN Weather & Growing Conditions
Overnight
50°F
Mostly Cloudy
Mostly cloudy, with a low around 50. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Cloudy | 2 mph SE | 3% |
| Saturday | 69°F | Partly Sunny | 1 to 6 mph ENE | 2% |
| Saturday Night | 48°F | Mostly Cloudy | 5 mph NNE | 1% |
| Sunday | 63°F | Partly Sunny | 6 mph NE | 0% |
| Sunday Night | 41°F | Mostly Cloudy | 3 mph E | 0% |
| Monday | 63°F | Mostly Sunny | 5 mph ESE | 0% |
| Monday Night | 39°F | Mostly Clear | 3 mph SE | 0% |
| Tuesday | 64°F | Sunny | 2 to 7 mph SE | 0% |
| Tuesday Night | 41°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 65°F | Mostly Sunny | 3 to 8 mph SSE | 2% |
| Wednesday Night | 47°F | Partly Cloudy | 6 mph SSE | 13% |
| Thursday | 68°F | Partly Sunny | 3 to 7 mph S | 13% |
| Thursday Night | 49°F | Partly Cloudy | 5 mph S | 9% |
| Friday | 70°F | Mostly Sunny | 2 to 7 mph SSE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Blackduck, MN
Last spring frost
May 24
First fall frost
Sep 17
Growing season
115 days
Hardiness zone
3b
Explore more for Blackduck, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Blackduck, Mn (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.