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
48°F
Mostly Cloudy
Mostly cloudy. High near 48, with temperatures falling to around 46 in the afternoon. North wind around 21 mph.
7-day forecast for Middle River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 48°F | Mostly Cloudy | 21 mph N | 0% |
| Tonight | 31°F | Mostly Cloudy then Patchy Fog | 15 to 18 mph N | 0% |
| Thursday | 40°F | Patchy Fog then Mostly Cloudy | 7 to 18 mph NNE | 0% |
| Thursday Night | 21°F | Partly Cloudy | 6 mph ESE | 0% |
| Friday | 41°F | Sunny | 6 to 15 mph S | 0% |
| Friday Night | 27°F | Partly Cloudy | 12 mph SSW | 0% |
| Saturday | 49°F | Mostly Sunny | 12 to 17 mph SW | 9% |
| Saturday Night | 31°F | Partly Cloudy | 8 to 16 mph W | 7% |
| Sunday | 50°F | Mostly Sunny | 8 to 12 mph WSW | 0% |
| Sunday Night | 34°F | Mostly Cloudy | 9 to 13 mph SSW | 0% |
| Monday | 53°F | Mostly Sunny | 12 to 21 mph W | 1% |
| Monday Night | 30°F | Partly Cloudy | 7 to 13 mph WNW | 2% |
| Tuesday | 48°F | Mostly Sunny | 7 to 12 mph W | 1% |
| Tuesday Night | 30°F | Partly Cloudy | 7 mph SSW | 2% |
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 Nov 4, 2026.