Harman US

Liberty, TN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Liberty, a town in Dekalb County, Tennessee.

Today
99°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny. High near 99, with temperatures falling to around 94 in the afternoon. Heat index values as high as 107. North northwest wind 0 to 5 mph. Chance of precipitation is 20%.

7-day forecast for Liberty

WhenTempForecastWindPrecip
Today 99°F Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph NNW 15%
Tonight 71°F Mostly Clear 0 mph 12%
Sunday 97°F Sunny 0 to 5 mph SW 10%
Sunday Night 69°F Partly Cloudy 0 mph 11%
Monday 96°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph WSW 35%
Monday Night 65°F Chance Showers And Thunderstorms then Rain Showers Likely 0 to 5 mph ENE 62%
Tuesday 88°F Areas Of Fog then Showers And Thunderstorms Likely 0 to 5 mph NW 67%
Tuesday Night 62°F Showers And Thunderstorms Likely 0 to 5 mph N 67%
Wednesday 82°F Rain Showers Likely 0 to 5 mph NNW 55%
Wednesday Night 59°F Chance Showers And Thunderstorms 0 to 5 mph N 50%
Thursday 81°F Slight Chance Rain Showers 0 to 5 mph N 20%
Thursday Night 57°F Slight Chance Rain Showers then Partly Cloudy 0 to 5 mph N 20%
Friday 81°F Mostly Sunny 0 to 10 mph N 5%
Friday Night 56°F Partly Cloudy 0 to 10 mph NNE 5%

Forecast source: National Weather Service (api.weather.gov) for Liberty (36.005, -85.978). Updated through the day.

Growing snapshot for Liberty

Last spring frost
Apr 18
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
7b

More local growing data for Liberty: nearby ZIP 37095 weather · frost dates · planting calendar · Tennessee frost dates

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Climate data from the nearest NOAA station, Smithville 2 Se, Tn (9.8 mi from Liberty). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.