Maynardville, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Maynardville, a city in Union County, Tennessee.
Overnight
67°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 67. Northeast wind around 0 mph.
7-day forecast for Maynardville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Patchy Fog | 0 mph | 2% |
| Saturday | 93°F | Areas Of Fog then Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 22% |
| Sunday | 91°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 16% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 0 mph | 30% |
| Monday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 43% |
| Monday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 66% |
| Tuesday | 84°F | Showers And Thunderstorms | 0 mph | 84% |
| Tuesday Night | 64°F | Showers And Thunderstorms | 0 mph | 84% |
| Wednesday | 79°F | Showers And Thunderstorms | 0 mph | 79% |
| Wednesday Night | 61°F | Showers And Thunderstorms | 0 mph | 79% |
| Thursday | 77°F | Chance Rain Showers | 0 to 5 mph N | 39% |
| Thursday Night | 58°F | Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 25% |
| Friday | 77°F | Mostly Sunny | 0 to 5 mph N | 13% |
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 Sep 19, 2026.