Harman US

Mountain City, TN Weather & Growing Conditions

Today
81°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 81, with temperatures falling to around 77 in the afternoon. Northeast wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 81°F Mostly Sunny then Chance Showers And Thunderstorms 0 mph 32%
Tonight 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%
Friday Night 49°F Chance Rain Showers 0 to 5 mph NE 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.