Roan Mountain, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Roan Mountain, a community in Carter County, Tennessee.
Tonight
63°F
Scattered Showers And Thunderstorms then Partly Cloudy
Scattered showers and thunderstorms before 11pm. Partly cloudy, with a low around 63. West wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Roan Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Scattered Showers And Thunderstorms then Partly Cloudy | 0 mph | 39% |
| Saturday | 79°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph N | 40% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 0 mph | 38% |
| Sunday | 79°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 67% |
| Sunday Night | 62°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 mph | 67% |
| Monday | 79°F | Showers And Thunderstorms | 0 mph | 78% |
| Monday Night | 62°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 mph | 78% |
| Tuesday | 74°F | Showers And Thunderstorms | 0 mph | 85% |
| Tuesday Night | 58°F | Showers And Thunderstorms | 0 to 5 mph SE | 85% |
| Wednesday | 67°F | Showers And Thunderstorms Likely | 5 mph SE | 61% |
| Wednesday Night | 55°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 61% |
| Thursday | 67°F | Chance Rain Showers | 0 to 5 mph N | 43% |
| Thursday Night | 53°F | Chance Rain Showers | 0 to 5 mph W | 43% |
| Friday | 68°F | Partly Sunny then Chance Rain Showers | 0 to 5 mph NW | 27% |
Forecast source: National Weather Service (api.weather.gov) for Roan Mountain (36.187, -82.071). Updated through the day.
Growing snapshot for Roan Mountain
Last spring frost
Apr 30
First fall frost
Oct 12
Growing season
165 days
Hardiness zone
6b
More local growing data for Roan Mountain: nearby ZIP 37687 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Roan Mtn 3Sw, Tn (1.1 mi from Roan Mountain). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.