Cottonwood, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cottonwood, a city in Lyon County, Minnesota.
Today
71°F
Patchy Smoke then Partly Sunny
Patchy smoke before 7am. Partly sunny, with a high near 71. Northwest wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Cottonwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Smoke then Partly Sunny | 5 to 10 mph NW | 2% |
| Tonight | 52°F | Partly Cloudy | 0 to 5 mph W | 1% |
| Wednesday | 76°F | Sunny | 5 to 10 mph SW | 0% |
| Wednesday Night | 58°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Thursday | 81°F | Sunny | 10 to 15 mph SSW | 2% |
| Thursday Night | 63°F | Mostly Clear | 5 to 10 mph SSW | 3% |
| Friday | 84°F | Sunny | 10 mph SW | 9% |
| Friday Night | 63°F | Mostly Clear | 5 to 10 mph SSW | 10% |
| Saturday | 83°F | Sunny | 5 to 10 mph SSW | 8% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms | 10 mph ENE | 30% |
| Sunday | 82°F | Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph NE | 29% |
| Sunday Night | 64°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 19% |
| Monday | 81°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 19% |
| Monday Night | 63°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 15% |
Forecast source: National Weather Service (api.weather.gov) for Cottonwood (44.611, -95.672). Updated through the day.
Growing snapshot for Cottonwood
Last spring frost
May 5
First fall frost
Oct 3
Growing season
150 days
Hardiness zone
5a
More local growing data for Cottonwood: nearby ZIP 56229 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Marshall, Mn (9.2 mi from Cottonwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.