McGregor, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McGregor, a city in Aitkin County, Minnesota.
Overnight
49°F
Light Rain
Rain and patchy fog. Cloudy, with a low around 49. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for McGregor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Light Rain | 10 to 15 mph N | 86% |
| Wednesday | 51°F | Light Rain | 10 mph N | 90% |
| Wednesday Night | 37°F | Light Rain | 10 to 15 mph N | 95% |
| Thursday | 42°F | Mostly Cloudy | 10 to 15 mph N | 7% |
| Thursday Night | 24°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Friday | 41°F | Sunny | 0 mph | 0% |
| Friday Night | 24°F | Mostly Clear | 0 mph | 0% |
| Saturday | 46°F | Mostly Sunny | 0 to 10 mph SW | 5% |
| Saturday Night | 31°F | Partly Cloudy | 5 mph W | 7% |
| Sunday | 50°F | Mostly Sunny | 5 to 10 mph W | 3% |
| Sunday Night | 33°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Monday | 54°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 33°F | Partly Cloudy | 5 mph W | 1% |
| Tuesday | 50°F | Mostly Sunny | 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for McGregor (46.610, -93.300). Updated through the day.
Growing snapshot for McGregor
Last spring frost
May 7
First fall frost
Oct 3
Growing season
148 days
Hardiness zone
4a
More local growing data for McGregor: nearby ZIP 55760 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sandy Lake Dam Libby, Mn (11 mi from McGregor). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.