Blackduck, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blackduck, a city in Beltrami County, Minnesota.
Today
71°F
Sunny
Sunny. High near 71, with temperatures falling to around 69 in the afternoon. West northwest wind around 10 mph.
7-day forecast for Blackduck
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Sunny | 10 mph WNW | 0% |
| Tonight | 48°F | Mostly Clear | 1 to 8 mph WSW | 0% |
| Wednesday | 77°F | Sunny | 2 to 7 mph SW | 0% |
| Wednesday Night | 59°F | Partly Cloudy then Slight Chance Rain Showers | 6 mph SSW | 16% |
| Thursday | 82°F | Slight Chance Rain Showers then Sunny | 6 to 10 mph SW | 16% |
| Thursday Night | 59°F | Mostly Clear | 2 to 8 mph SW | 9% |
| Friday | 82°F | Sunny | 3 to 8 mph W | 9% |
| Friday Night | 55°F | Mostly Clear | 0 to 7 mph WNW | 12% |
| Saturday | 80°F | Mostly Sunny | 0 to 7 mph SW | 14% |
| Saturday Night | 55°F | Slight Chance Rain Showers | 0 to 6 mph N | 20% |
| Sunday | 79°F | Mostly Sunny | 1 to 6 mph N | 12% |
| Sunday Night | 56°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 1 to 6 mph N | 17% |
| Monday | 78°F | Slight Chance Showers And Thunderstorms | 1 to 6 mph N | 17% |
| Monday Night | 56°F | Slight Chance Rain Showers | 1 to 5 mph N | 15% |
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 Aug 4, 2026.