Aitkin, MN Weather & Growing Conditions
Overnight
50°F
Slight Chance Rain Showers
A slight chance of rain showers before 5am, then patchy fog and a slight chance of rain showers. Cloudy. Low around 50, with temperatures rising to around 52 overnight. East wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Slight Chance Rain Showers | 5 mph E | 19% |
| Saturday | 64°F | Patchy Fog then Cloudy | 5 mph NE | 12% |
| Saturday Night | 49°F | Mostly Cloudy | 0 to 5 mph NE | 1% |
| Sunday | 64°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Sunday Night | 40°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Monday | 62°F | Mostly Sunny | 5 to 10 mph E | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph E | 1% |
| Tuesday | 64°F | Sunny | 0 to 5 mph SE | 1% |
| Tuesday Night | 39°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Wednesday | 65°F | Sunny | 5 to 10 mph SE | 0% |
| Wednesday Night | 43°F | Partly Cloudy | 0 to 5 mph SE | 7% |
| Thursday | 67°F | Mostly Sunny | 0 to 10 mph SE | 8% |
| Thursday Night | 45°F | Partly Cloudy | 0 to 5 mph SE | 8% |
| Friday | 70°F | Mostly Sunny | 0 to 10 mph S | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Aitkin, MN
Last spring frost
May 16
First fall frost
Sep 28
Growing season
133 days
Hardiness zone
4a
Explore more for Aitkin, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Aitkin 2E, Mn (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.