Mountain City, TN Weather & Growing Conditions
Today
79°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Mostly sunny. High near 79, with temperatures falling to around 75 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SE | 49% |
| Tonight | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 45% |
| Wednesday | 79°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 62% |
| Wednesday Night | 64°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 5 mph S | 55% |
| Thursday | 79°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 68% |
| Thursday Night | 64°F | Showers And Thunderstorms Likely then Mostly Cloudy | 0 to 5 mph S | 68% |
| Friday | 79°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 46% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 46% |
| Saturday | 79°F | Mostly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph SW | 70% |
| Saturday Night | 64°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 70% |
| Sunday | 79°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 48% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 48% |
| Monday | 80°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 42% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 42% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mountain City, TN
Last spring frost
Apr 27
First fall frost
Oct 14
Growing season
170 days
Hardiness zone
7a
Explore more for Mountain City, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Mtn City 2, Tn (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.