Harman US

Mountain City, TN Weather & Growing Conditions

Overnight
61°F
Areas Of Fog
Areas of fog. Partly cloudy, with a low around 61. Wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 61°F Areas Of Fog 0 mph 1%
Saturday 81°F Areas Of Fog then Chance Showers And Thunderstorms 0 mph 32%
Saturday Night 61°F Slight Chance Showers And Thunderstorms 0 to 5 mph SE 28%
Sunday 79°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph SW 43%
Sunday Night 61°F Chance Showers And Thunderstorms 0 mph 44%
Monday 79°F Showers And Thunderstorms Likely 0 mph 69%
Monday Night 60°F Showers And Thunderstorms Likely 0 mph 69%
Tuesday 72°F Showers And Thunderstorms 0 to 5 mph SE 79%
Tuesday Night 56°F Showers And Thunderstorms 5 mph SE 79%
Wednesday 63°F Chance Rain Showers 5 mph SE 52%
Wednesday Night 53°F Chance Showers And Thunderstorms 5 to 10 mph SE 52%
Thursday 67°F Chance Rain Showers 0 to 5 mph N 49%
Thursday Night 52°F Chance Showers And Thunderstorms 0 to 5 mph NE 49%
Friday 67°F Chance Rain Showers 0 to 5 mph N 28%

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 Sep 19, 2026.