Roan Mountain, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Roan Mountain, a community in Carter County, Tennessee.
Overnight
54°F
Partly Cloudy
Partly cloudy, with a low around 54. East wind 5 to 10 mph.
7-day forecast for Roan Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Partly Cloudy | 5 to 10 mph E | 4% |
| Wednesday | 63°F | Rain Showers Likely | 5 to 15 mph SE | 59% |
| Wednesday Night | 57°F | Showers And Thunderstorms | 0 to 10 mph SE | 96% |
| Thursday | 68°F | Partly Sunny then Chance Rain Showers | 0 to 5 mph SW | 25% |
| Thursday Night | 52°F | Mostly Cloudy then Slight Chance Rain Showers | 0 mph | 20% |
| Friday | 63°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NW | 20% |
| Friday Night | 43°F | Partly Cloudy | 0 to 5 mph NW | 6% |
| Saturday | 52°F | Mostly Sunny | 5 mph NW | 6% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph NW | 4% |
| Sunday | 55°F | Mostly Sunny | 0 to 5 mph NW | 1% |
| Sunday Night | 35°F | Mostly Clear | 5 mph NW | 3% |
| Monday | 55°F | Sunny | 5 mph NW | 4% |
| Monday Night | 37°F | Mostly Clear | 0 to 5 mph SW | 4% |
| Tuesday | 59°F | Sunny | 0 to 5 mph W | 3% |
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 Nov 4, 2026.