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
56°F
Patchy Fog
Patchy fog and a slight chance of drizzle before 4pm, then drizzle likely and patchy fog. Cloudy. High near 56, with temperatures falling to around 54 in the afternoon. North wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Leonidas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 56°F | Patchy Fog | 10 mph N | 57% |
| Tonight | 47°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% |
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.