Maynardville, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Maynardville, a city in Union County, Tennessee.
Today
87°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. North wind around 0 mph. Chance of precipitation is 30%.
7-day forecast for Maynardville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 31% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 0 mph | 30% |
| Wednesday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 56% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 mph | 56% |
| Thursday | 86°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 54% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph S | 54% |
| Friday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 41% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 41% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 59% |
| Saturday Night | 69°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 59% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 0 mph | 39% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 39% |
| Monday | 87°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 37% |
| Monday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 37% |
Forecast source: National Weather Service (api.weather.gov) for Maynardville (36.247, -83.806). Updated through the day.
Growing snapshot for Maynardville
Last spring frost
Apr 22
First fall frost
Oct 25
Growing season
184 days
Hardiness zone
7b
More local growing data for Maynardville: nearby ZIP 37807 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Norris, Tn (13.4 mi from Maynardville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.