Myrtle, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Myrtle, a city in Freeborn County, Minnesota.
This Afternoon
59°F
Light Rain
Rain and patchy fog and a slight chance of thunderstorms. Mostly cloudy. High near 59, with temperatures falling to around 55 in the afternoon. North wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Myrtle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Light Rain | 10 mph N | 94% |
| Tonight | 45°F | Rain | 5 to 10 mph NW | 100% |
| Wednesday | 51°F | Light Rain | 10 to 15 mph WSW | 98% |
| Wednesday Night | 41°F | Light Rain | 10 to 15 mph WNW | 89% |
| Thursday | 48°F | Light Rain Likely | 15 mph NNW | 65% |
| Thursday Night | 34°F | Mostly Cloudy | 5 to 10 mph N | 11% |
| Friday | 46°F | Partly Sunny | 5 to 10 mph NNE | 0% |
| Friday Night | 28°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 50°F | Mostly Sunny | 0 to 5 mph SW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph W | 4% |
| Sunday | 54°F | Sunny | 5 to 10 mph WNW | 4% |
| Sunday Night | 35°F | Partly Cloudy | 5 mph SW | 3% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph WSW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Myrtle (43.563, -93.163). Updated through the day.
Growing snapshot for Myrtle
Last spring frost
Apr 27
First fall frost
Oct 9
Growing season
164 days
Hardiness zone
5a
More local growing data for Myrtle: nearby ZIP 56036 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Albert Lea
Alden
Clarks Grove
Conger
Emmons
Freeborn
Geneva
Glenville
Hartland
Hayward
Hollandale
Manchester
Twin Lakes
Climate data from the nearest NOAA station, Albert Lea 3Se, Mn (5.5 mi from Myrtle). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.