Roseau, MN Weather & Growing Conditions
This Afternoon
66°F
Mostly Cloudy
Mostly cloudy. High near 66, with temperatures falling to around 64 in the afternoon. North wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Mostly Cloudy | 8 mph N | 7% |
| Tonight | 48°F | Partly Cloudy | 8 mph NNE | 1% |
| Sunday | 61°F | Partly Sunny | 5 to 8 mph NE | 0% |
| Sunday Night | 40°F | Mostly Cloudy | 2 to 7 mph E | 0% |
| Monday | 64°F | Mostly Sunny | 2 to 6 mph SE | 0% |
| Monday Night | 39°F | Mostly Clear | 6 mph SE | 0% |
| Tuesday | 65°F | Sunny | 5 to 10 mph SSE | 0% |
| Tuesday Night | 42°F | Mostly Clear | 9 mph SSE | 0% |
| Wednesday | 66°F | Sunny | 9 to 14 mph SSE | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 12 mph SSE | 9% |
| Thursday | 67°F | Chance Rain Showers | 9 to 13 mph SSE | 26% |
| Thursday Night | 51°F | Chance Rain Showers then Mostly Cloudy | 6 to 9 mph S | 25% |
| Friday | 71°F | Partly Sunny | 6 to 10 mph S | 6% |
| Friday Night | 55°F | Mostly Cloudy | 8 to 12 mph S | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Roseau, MN
Last spring frost
May 16
First fall frost
Sep 24
Growing season
129 days
Hardiness zone
3b
Explore more for Roseau, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Warroad, Mn (10.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.