Isle, MN Weather & Growing Conditions
This Afternoon
53°F
Light Rain Likely
Rain likely and patchy fog. Cloudy. High near 53, with temperatures falling to around 50 in the afternoon. North wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 53°F | Light Rain Likely | 10 mph N | 63% |
| Tonight | 35°F | Light Rain Likely | 10 to 15 mph N | 69% |
| Thursday | 43°F | Mostly Cloudy | 10 to 15 mph N | 5% |
| Thursday Night | 24°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Friday | 42°F | Sunny | 0 mph | 0% |
| Friday Night | 24°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 47°F | Mostly Sunny | 0 to 5 mph SW | 1% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph W | 2% |
| Sunday | 52°F | Sunny | 5 mph W | 0% |
| Sunday Night | 33°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 34°F | Mostly Clear | 5 mph NW | 0% |
| Tuesday | 51°F | Mostly Sunny | 5 mph NW | 1% |
| Tuesday Night | 32°F | Partly Cloudy | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Isle, MN
Last spring frost
May 10
First fall frost
Oct 3
Growing season
144 days
Hardiness zone
4a
Explore more for Isle, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Isle 12N, Mn (11.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.