Aitkin, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Aitkin, a city in Aitkin County, Minnesota.
This Afternoon
61°F
Rain Showers Likely
Rain showers likely. Mostly cloudy. High near 61, with temperatures falling to around 58 in the afternoon. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Aitkin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Rain Showers Likely | 5 to 10 mph SE | 61% |
| Tonight | 49°F | Chance Rain Showers | 5 to 10 mph E | 47% |
| Saturday | 66°F | Patchy Fog then Mostly Cloudy | 5 to 10 mph NE | 12% |
| Saturday Night | 47°F | Mostly Cloudy | 0 to 5 mph NE | 2% |
| Sunday | 65°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Sunday Night | 40°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Monday | 63°F | Partly Sunny | 5 to 10 mph E | 0% |
| Monday Night | 38°F | Partly Cloudy | 0 to 5 mph E | 0% |
| Tuesday | 65°F | Mostly Sunny | 0 to 5 mph E | 0% |
| Tuesday Night | 39°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Wednesday | 65°F | Mostly Sunny | 0 to 10 mph SE | 0% |
| Wednesday Night | 44°F | Partly Cloudy | 0 to 5 mph S | 11% |
| Thursday | 68°F | Partly Sunny | 0 to 5 mph S | 11% |
| Thursday Night | 46°F | Partly Cloudy | 0 to 5 mph S | 7% |
Forecast source: National Weather Service (api.weather.gov) for Aitkin (46.527, -93.705). Updated through the day.
Growing snapshot for Aitkin
Last spring frost
May 16
First fall frost
Sep 28
Growing season
133 days
Hardiness zone
4a
More local growing data for Aitkin: nearby ZIP 56431 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Aitkin 2E, Mn (2.8 mi from Aitkin). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.