Leonidas, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Leonidas, a city in St. Louis County, Minnesota.
This Afternoon
62°F
Mostly Cloudy
Mostly cloudy, with a high near 62. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Leonidas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Mostly Cloudy | 5 to 10 mph SE | 10% |
| Tonight | 45°F | Slight Chance Rain Showers then Patchy Fog | 0 to 5 mph SE | 21% |
| Saturday | 68°F | Patchy Fog then Partly Sunny | 0 to 5 mph NE | 2% |
| Saturday Night | 46°F | Mostly Cloudy | 5 mph N | 2% |
| Sunday | 63°F | Partly Sunny | 5 mph NE | 0% |
| Sunday Night | 37°F | Mostly Cloudy | 0 to 5 mph E | 0% |
| Monday | 61°F | Patchy Frost then Mostly Sunny | 0 to 5 mph E | 0% |
| Monday Night | 36°F | Mostly Clear | 0 to 5 mph E | 0% |
| Tuesday | 63°F | Sunny | 0 to 5 mph SE | 0% |
| Tuesday Night | 37°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Wednesday | 64°F | Mostly Sunny | 0 to 5 mph SE | 1% |
| Wednesday Night | 41°F | Partly Cloudy | 0 to 5 mph SE | 6% |
| Thursday | 66°F | Partly Sunny | 0 to 5 mph S | 7% |
| Thursday Night | 44°F | Partly Cloudy | 0 to 5 mph S | 5% |
Forecast source: National Weather Service (api.weather.gov) for Leonidas (47.468, -92.567). Updated through the day.
Growing snapshot for Leonidas
Last spring frost
May 12
First fall frost
Oct 1
Growing season
141 days
Hardiness zone
3b
More local growing data for Leonidas: nearby ZIP 55734 weather · frost dates · planting calendar · Minnesota frost dates
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Climate data from the nearest NOAA station, Eveleth Wwtp, Mn (5.1 mi from Leonidas). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.