Blackduck, MN Weather & Growing Conditions
Overnight
42°F
Light Rain
Rain and patchy fog. Cloudy. Low around 42, with temperatures rising to around 44 overnight. North wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Light Rain | 10 mph N | 78% |
| Wednesday | 47°F | Light Rain | 10 to 14 mph N | 83% |
| Wednesday Night | 31°F | Mostly Cloudy | 14 mph NNW | 10% |
| Thursday | 40°F | Mostly Cloudy | 5 to 12 mph NNE | 0% |
| Thursday Night | 23°F | Partly Cloudy | 0 to 3 mph NE | 0% |
| Friday | 42°F | Mostly Sunny | 0 to 3 mph S | 0% |
| Friday Night | 26°F | Partly Cloudy | 3 mph S | 0% |
| Saturday | 50°F | Mostly Sunny | 3 to 7 mph SW | 9% |
| Saturday Night | 32°F | Partly Cloudy | 6 mph W | 13% |
| Sunday | 51°F | Mostly Sunny | 3 to 7 mph W | 12% |
| Sunday Night | 34°F | Partly Cloudy | 5 mph SSW | 1% |
| Monday | 53°F | Mostly Sunny | 5 to 12 mph WSW | 1% |
| Monday Night | 32°F | Mostly Clear | 3 to 8 mph WNW | 1% |
| Tuesday | 48°F | Mostly Sunny | 6 mph WNW | 2% |
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 Nov 4, 2026.