Harman US

Fall Branch, TN Weather & Growing Conditions

Today
86°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Mostly sunny. High near 86, with temperatures falling to around 81 in the afternoon. East wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 86°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph E 49%
Tonight 66°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SE 55%
Wednesday 84°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph S 51%
Wednesday Night 67°F Chance Showers And Thunderstorms 0 to 5 mph SE 53%
Thursday 84°F Chance Showers And Thunderstorms 0 to 5 mph SW 50%
Thursday Night 67°F Chance Showers And Thunderstorms then Mostly Cloudy 0 to 5 mph S 50%
Friday 85°F Chance Showers And Thunderstorms 0 to 5 mph S 45%
Friday Night 67°F Chance Showers And Thunderstorms 0 to 5 mph SE 45%
Saturday 85°F Slight Chance Showers And Thunderstorms 0 to 5 mph S 59%
Saturday Night 67°F Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 0 to 5 mph SE 59%
Sunday 85°F Chance Showers And Thunderstorms 0 to 5 mph S 36%
Sunday Night 68°F Chance Showers And Thunderstorms then Partly Cloudy 0 mph 36%
Monday 86°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 0 to 5 mph SW 32%
Monday Night 68°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SW 32%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Fall Branch, TN

Last spring frost
Apr 9
First fall frost
Oct 29
Growing season
203 days
Hardiness zone
7a

Explore more for Fall Branch, TN: full frost dates · planting calendar · Tennessee frost dates

Climate data from the nearest NOAA station, Kingsport, Tn (10.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.