Aitkin, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Aitkin, a city in Aitkin County, Minnesota.
Overnight
55°F
Mostly Cloudy
Mostly cloudy, with a low around 55. Northwest wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Aitkin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Mostly Cloudy | 5 mph NW | 6% |
| Tuesday | 73°F | Mostly Sunny | 5 to 10 mph NW | 2% |
| Tuesday Night | 49°F | Mostly Clear | 0 to 10 mph W | 0% |
| Wednesday | 78°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 57°F | Partly Cloudy | 5 to 10 mph SW | 6% |
| Thursday | 83°F | Sunny | 10 mph SW | 6% |
| Thursday Night | 61°F | Mostly Clear | 5 to 10 mph SW | 7% |
| Friday | 85°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 18% |
| Friday Night | 58°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 24% |
| Saturday | 82°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 19% |
| Saturday Night | 58°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 31% |
| Sunday | 79°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 20% |
| Sunday Night | 57°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 18% |
| Monday | 79°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 19% |
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 Aug 4, 2026.