Mountain City, TN Weather & Growing Conditions
Today
79°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Southeast wind 0 to 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 | 0 to 5 mph SE | 48% |
| Tonight | 63°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 45% |
| Wednesday | 79°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 66% |
| Wednesday Night | 64°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 to 5 mph SE | 55% |
| Thursday | 79°F | Showers And Thunderstorms | 0 to 5 mph S | 83% |
| Thursday Night | 63°F | Showers And Thunderstorms then Mostly Cloudy | 0 mph | 83% |
| Friday | 80°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 66% |
| Friday Night | 63°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 66% |
| Saturday | 80°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 75% |
| Saturday Night | 63°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 mph | 75% |
| Sunday | 80°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 54% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 0 mph | 54% |
| Monday | 81°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 43% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 0 mph | 43% |
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 (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.