McKinley, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McKinley, a city in St. Louis County, Minnesota.
Today
71°F
Mostly Sunny
Mostly sunny, with a high near 71. West wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for McKinley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Mostly Sunny | 10 mph W | 0% |
| Tonight | 45°F | Mostly Clear | 0 to 10 mph W | 0% |
| Wednesday | 75°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 5 mph SW | 7% |
| Thursday | 81°F | Sunny | 5 to 10 mph SW | 7% |
| Thursday Night | 57°F | Mostly Clear | 5 to 10 mph SW | 12% |
| Friday | 82°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 20% |
| Friday Night | 53°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph W | 29% |
| Saturday | 77°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 24% |
| Saturday Night | 53°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 26% |
| Sunday | 75°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 22% |
| Sunday Night | 53°F | Partly Cloudy | 0 to 5 mph NW | 13% |
| Monday | 77°F | Slight Chance Rain Showers | 0 to 5 mph NW | 16% |
| Monday Night | 52°F | Slight Chance Rain Showers | 0 to 5 mph N | 19% |
Forecast source: National Weather Service (api.weather.gov) for McKinley (47.510, -92.407). Updated through the day.
Growing snapshot for McKinley
Last spring frost
May 12
First fall frost
Oct 1
Growing season
141 days
Hardiness zone
3b
More local growing data for McKinley: nearby ZIP 55741 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
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Cook
Duluth
Eveleth
Floodwood
Gilbert
Hermantown
Hibbing
Hoyt Lakes
Iron Junction
Kinney
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Meadowlands
Mountain Iron
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Rice Lake
Soudan
Tower
Virginia
Climate data from the nearest NOAA station, Eveleth Wwtp, Mn (6.8 mi from McKinley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.