Cohasset, MN Weather & Growing Conditions
Overnight
46°F
Light Rain
Rain and patchy fog. Cloudy, with a low around 46. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Light Rain | 10 to 15 mph N | 83% |
| Wednesday | 49°F | Light Rain | 10 to 15 mph N | 95% |
| Wednesday Night | 35°F | Light Rain Likely | 15 mph N | 69% |
| Thursday | 40°F | Mostly Cloudy | 5 to 15 mph N | 1% |
| Thursday Night | 21°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Friday | 40°F | Sunny | 0 mph | 0% |
| Friday Night | 22°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Saturday | 47°F | Mostly Sunny | 5 mph SW | 6% |
| Saturday Night | 30°F | Partly Cloudy | 5 mph W | 9% |
| Sunday | 49°F | Mostly Sunny | 5 to 10 mph W | 4% |
| Sunday Night | 31°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Monday | 54°F | Partly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 31°F | Partly Cloudy | 5 mph W | 1% |
| Tuesday | 50°F | Mostly Sunny | 5 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cohasset, MN
Last spring frost
May 16
First fall frost
Oct 1
Growing season
138 days
Hardiness zone
4a
Explore more for Cohasset, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Pokegama Dam, Mn (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.