Cottonwood, MN Weather & Growing Conditions
Today
64°F
Patchy Fog then Cloudy
Patchy fog and a slight chance of rain showers before 11am. Cloudy, with a high near 64. North northeast wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Patchy Fog then Cloudy | 5 to 10 mph NNE | 24% |
| Tonight | 52°F | Mostly Cloudy | 5 to 10 mph NNE | 10% |
| Sunday | 68°F | Mostly Cloudy | 10 to 15 mph NE | 2% |
| Sunday Night | 50°F | Mostly Cloudy | 5 to 10 mph ENE | 7% |
| Monday | 64°F | Mostly Cloudy | 5 to 10 mph E | 13% |
| Monday Night | 45°F | Partly Cloudy | 5 mph E | 7% |
| Tuesday | 66°F | Mostly Sunny | 5 to 10 mph ESE | 4% |
| Tuesday Night | 43°F | Mostly Clear | 5 mph SE | 1% |
| Wednesday | 69°F | Mostly Sunny | 5 to 10 mph SE | 5% |
| Wednesday Night | 49°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SE | 17% |
| Thursday | 71°F | Slight Chance Rain Showers | 5 to 10 mph SSE | 17% |
| Thursday Night | 53°F | Partly Cloudy | 5 mph SSE | 10% |
| Friday | 74°F | Mostly Sunny | 5 to 10 mph SSE | 10% |
| Friday Night | 54°F | Partly Cloudy | 10 mph SSE | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cottonwood, MN
Last spring frost
May 5
First fall frost
Oct 3
Growing season
150 days
Hardiness zone
5a
Explore more for Cottonwood, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Marshall, Mn (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.