Harman US

Decaturville, TN Weather & Growing Conditions

Today
70°F
Mostly Sunny
Mostly sunny. High near 70, with temperatures falling to around 65 in the afternoon. West wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 70°F Mostly Sunny 5 to 10 mph W 8%
Tonight 45°F Mostly Clear 0 mph 0%
Thursday 70°F Mostly Sunny 0 mph 0%
Thursday Night 44°F Mostly Clear 0 mph 0%
Friday 67°F Sunny 0 to 10 mph NNW 0%
Friday Night 40°F Partly Cloudy 5 mph N 0%
Saturday 59°F Mostly Sunny 5 mph N 0%
Saturday Night 34°F Partly Cloudy 0 to 5 mph N 0%
Sunday 58°F Mostly Sunny 0 to 5 mph N 0%
Sunday Night 33°F Mostly Clear 0 mph 0%
Monday 62°F Sunny 0 to 5 mph NW 0%
Monday Night 35°F Clear 0 mph 1%
Tuesday 67°F Sunny 0 to 5 mph W 1%
Tuesday Night 37°F Mostly Clear 0 mph 0%

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

Growing snapshot for Decaturville, TN

Last spring frost
Apr 4
First fall frost
Oct 30
Growing season
208 days
Hardiness zone
7b

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

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