Myrtle, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Myrtle, a town in Union County, Mississippi.
Tonight
60°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 60. South southwest wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Myrtle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Showers And Thunderstorms | 5 to 10 mph SSW | 97% |
| Wednesday | 73°F | Mostly Sunny | 5 to 10 mph W | 13% |
| Wednesday Night | 47°F | Partly Cloudy | 0 to 5 mph WNW | 0% |
| Thursday | 73°F | Mostly Sunny | 0 mph | 0% |
| Thursday Night | 47°F | Mostly Clear | 0 mph | 0% |
| Friday | 70°F | Sunny | 0 to 10 mph NNW | 0% |
| Friday Night | 42°F | Mostly Clear | 5 to 10 mph N | 0% |
| Saturday | 62°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Sunday | 63°F | Mostly Sunny | 0 to 10 mph NNW | 5% |
| Sunday Night | 36°F | Mostly Clear | 0 to 5 mph NNW | 3% |
| Monday | 66°F | Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 37°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 69°F | Sunny | 0 to 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Myrtle (34.561, -89.118). Updated through the day.
Growing snapshot for Myrtle
Last spring frost
Apr 8
First fall frost
Oct 28
Growing season
202 days
Hardiness zone
8a
More local growing data for Myrtle: nearby ZIP 38650 weather · frost dates · planting calendar · Mississippi frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hickory Flat, Ms (6.6 mi from Myrtle). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.