Roan Mountain, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Roan Mountain, a community in Carter County, Tennessee.
Today
77°F
Mostly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after noon. Mostly sunny. High near 77, with temperatures falling to around 73 in the afternoon. Southeast wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Roan Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Mostly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph SE | 61% |
| Tonight | 62°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 51% |
| Wednesday | 77°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph SE | 71% |
| Wednesday Night | 62°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 5 mph SE | 56% |
| Thursday | 78°F | Showers And Thunderstorms | 0 to 5 mph S | 95% |
| Thursday Night | 62°F | Showers And Thunderstorms then Mostly Cloudy | 0 mph | 95% |
| Friday | 79°F | Chance Showers And Thunderstorms | 0 mph | 88% |
| Friday Night | 62°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 mph | 88% |
| Saturday | 78°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 85% |
| Saturday Night | 62°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 mph | 85% |
| Sunday | 79°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 60% |
| Sunday Night | 63°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 60% |
| Monday | 79°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 51% |
| Monday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 51% |
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 Aug 4, 2026.