Harman US

Mountain City, TN Weather & Growing Conditions

This Afternoon
69°F
Sunny
Sunny. High near 69, with temperatures falling to around 64 in the afternoon. Southeast wind around 10 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 69°F Sunny 10 mph SE 1%
Tonight 53°F Partly Cloudy 5 to 10 mph E 2%
Wednesday 65°F Showers And Thunderstorms Likely 10 to 15 mph SE 57%
Wednesday Night 57°F Showers And Thunderstorms 0 to 10 mph S 93%
Thursday 69°F Chance Rain Showers 0 to 5 mph SW 31%
Thursday Night 52°F Chance Rain Showers 0 mph 35%
Friday 65°F Chance Rain Showers 0 to 5 mph NW 35%
Friday Night 42°F Partly Cloudy 0 to 5 mph NW 10%
Saturday 58°F Mostly Sunny 0 to 5 mph NW 10%
Saturday Night 35°F Partly Cloudy 0 mph 8%
Sunday 57°F Mostly Sunny 0 to 5 mph NW 7%
Sunday Night 33°F Slight Chance Rain Showers 0 to 5 mph W 15%
Monday 56°F Slight Chance Rain Showers 0 to 10 mph W 19%
Monday Night 33°F Slight Chance Rain Showers 0 to 5 mph W 20%

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 Nov 4, 2026.