Blackduck, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blackduck, a city in Beltrami County, Minnesota.
This Afternoon
64°F
Mostly Cloudy
Mostly cloudy. High near 64, with temperatures falling to around 62 in the afternoon. Southeast wind around 8 mph.
7-day forecast for Blackduck
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Mostly Cloudy | 8 mph SE | 3% |
| Tonight | 49°F | Mostly Cloudy | 1 to 6 mph SE | 5% |
| 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 | 5 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% |
Forecast source: National Weather Service (api.weather.gov) for Blackduck (47.721, -94.546). Updated through the day.
Growing snapshot for Blackduck
Last spring frost
May 24
First fall frost
Sep 17
Growing season
115 days
Hardiness zone
3b
More local growing data for Blackduck: nearby ZIP 56630 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Blackduck, Mn (4.7 mi from Blackduck). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.