Middle River, MN Weather & Growing Conditions
Today
48°F
Cloudy
Cloudy. High near 48, with temperatures falling to around 46 in the afternoon. North wind around 16 mph, with gusts as high as 26 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 48°F | Cloudy | 16 mph N | 6% |
| Tonight | 31°F | Mostly Cloudy | 15 mph N | 0% |
| Thursday | 40°F | Partly Sunny | 7 to 15 mph NNE | 0% |
| Thursday Night | 21°F | Partly Cloudy | 6 mph ESE | 0% |
| Friday | 41°F | Sunny | 5 to 13 mph S | 0% |
| Friday Night | 27°F | Partly Cloudy | 10 mph SSW | 0% |
| Saturday | 49°F | Mostly Sunny | 10 to 16 mph SW | 8% |
| Saturday Night | 31°F | Partly Cloudy | 7 to 14 mph W | 7% |
| Sunday | 50°F | Mostly Sunny | 7 to 10 mph WSW | 0% |
| Sunday Night | 33°F | Mostly Cloudy | 7 to 12 mph SSW | 0% |
| Monday | 54°F | Mostly Sunny | 12 to 18 mph W | 1% |
| Monday Night | 30°F | Partly Cloudy | 6 to 12 mph WNW | 2% |
| Tuesday | 47°F | Mostly Sunny | 6 to 10 mph W | 2% |
| Tuesday Night | 30°F | Partly Cloudy | 6 mph SSW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Middle River, MN
Last spring frost
May 6
First fall frost
Oct 3
Growing season
148 days
Hardiness zone
3b
Explore more for Middle River, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Agassiz Refuge, Mn (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.