Leonidas, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Leonidas, a city in St. Louis County, Minnesota.
Tonight
48°F
Rain
Rain. Cloudy, with a low around 48. North wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Leonidas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Rain | 10 mph N | 86% |
| Wednesday | 50°F | Rain | 10 to 15 mph N | 87% |
| Wednesday Night | 36°F | Light Rain | 15 mph N | 87% |
| Thursday | 41°F | Mostly Cloudy | 10 to 15 mph N | 7% |
| Thursday Night | 24°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Friday | 41°F | Mostly Sunny | 0 mph | 0% |
| Friday Night | 23°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 47°F | Mostly Sunny | 0 to 10 mph SW | 2% |
| Saturday Night | 31°F | Partly Cloudy | 5 mph W | 14% |
| Sunday | 50°F | Mostly Sunny | 5 to 10 mph W | 10% |
| Sunday Night | 30°F | Partly Cloudy | 0 to 5 mph SW | 2% |
| Monday | 52°F | Partly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 32°F | Partly Cloudy | 5 to 10 mph W | 0% |
| Tuesday | 48°F | Mostly Sunny | 5 to 10 mph W | 1% |
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 Nov 4, 2026.