Deer River, MN Weather & Growing Conditions
Tonight
48°F
Mostly Cloudy then Patchy Fog
Patchy fog after 3am. Mostly cloudy, with a low around 48. East wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph E | 2% |
| Saturday | 68°F | Patchy Fog then Mostly Cloudy | 0 to 5 mph NE | 1% |
| Saturday Night | 48°F | Mostly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 63°F | Partly Sunny | 5 mph NE | 0% |
| Sunday Night | 40°F | Mostly Cloudy | 0 mph | 0% |
| Monday | 62°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Monday Night | 38°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 63°F | Sunny | 0 to 5 mph SE | 0% |
| Tuesday Night | 40°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Wednesday | 64°F | Mostly Sunny | 0 to 5 mph SE | 1% |
| Wednesday Night | 44°F | Partly Cloudy | 0 to 5 mph S | 11% |
| Thursday | 67°F | Partly Sunny | 0 to 5 mph S | 11% |
| Thursday Night | 47°F | Partly Cloudy | 0 mph | 7% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph S | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Deer River, MN
Last spring frost
May 16
First fall frost
Oct 1
Growing season
138 days
Hardiness zone
3b
Explore more for Deer River, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Pokegama Dam, Mn (15.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.