Myrtle, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Myrtle, a city in Freeborn County, Minnesota.
Overnight
59°F
Rain Likely
Rain likely before 5am, then a chance of rain and patchy fog. Cloudy. Low around 59, with temperatures rising to around 62 overnight. East wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Myrtle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Rain Likely | 10 mph E | 63% |
| Saturday | 66°F | Chance Light Rain then Chance Drizzle | 5 to 10 mph NE | 45% |
| Saturday Night | 56°F | Cloudy | 10 mph NNE | 14% |
| Sunday | 65°F | Mostly Cloudy | 10 to 15 mph NE | 5% |
| Sunday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph ENE | 18% |
| Monday | 61°F | Slight Chance Rain Showers | 10 mph ENE | 21% |
| Monday Night | 45°F | Mostly Cloudy | 5 to 10 mph ENE | 13% |
| Tuesday | 61°F | Mostly Sunny | 5 to 10 mph E | 7% |
| Tuesday Night | 42°F | Mostly Clear | 0 to 5 mph E | 1% |
| Wednesday | 64°F | Sunny | 0 to 5 mph ESE | 1% |
| Wednesday Night | 46°F | Mostly Clear | 0 to 5 mph ESE | 6% |
| Thursday | 66°F | Mostly Sunny | 0 to 5 mph SE | 10% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph SE | 4% |
| Friday | 68°F | Mostly Sunny | 0 to 5 mph SE | 4% |
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 Sep 19, 2026.