Middle River, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middle River, a city in Roseau County, Minnesota.
Today
70°F
Sunny
Sunny, with a high near 70. West wind 12 to 16 mph.
7-day forecast for Middle River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Sunny | 12 to 16 mph W | 0% |
| Tonight | 48°F | Mostly Clear | 6 to 14 mph WSW | 1% |
| Wednesday | 78°F | Mostly Sunny | 8 to 20 mph SW | 0% |
| Wednesday Night | 55°F | Slight Chance Rain Showers | 10 to 17 mph SW | 16% |
| Thursday | 80°F | Sunny | 9 to 18 mph WSW | 4% |
| Thursday Night | 56°F | Mostly Clear | 8 to 16 mph WSW | 8% |
| Friday | 78°F | Sunny | 8 to 16 mph W | 8% |
| Friday Night | 52°F | Mostly Clear | 5 to 15 mph NNE | 7% |
| Saturday | 76°F | Mostly Sunny | 5 to 14 mph N | 7% |
| Saturday Night | 53°F | Partly Cloudy | 6 to 14 mph N | 12% |
| Sunday | 75°F | Mostly Sunny | 6 to 13 mph N | 10% |
| Sunday Night | 54°F | Partly Cloudy then Slight Chance Rain Showers | 6 to 13 mph N | 20% |
| Monday | 75°F | Slight Chance Rain Showers then Partly Sunny | 7 to 13 mph N | 20% |
| Monday Night | 54°F | Partly Cloudy | 6 to 13 mph NNE | 12% |
Forecast source: National Weather Service (api.weather.gov) for Middle River (48.435, -96.162). Updated through the day.
Growing snapshot for Middle River
Last spring frost
May 6
First fall frost
Oct 3
Growing season
148 days
Hardiness zone
3b
More local growing data for Middle River: nearby ZIP 56759 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Agassiz Refuge, Mn (17.9 mi from Middle River). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.