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Liberty, TN Weather & Growing Conditions

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

This Afternoon
99°F
Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 2pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 99, with temperatures falling to around 92 in the afternoon. Heat index values as high as 107. West northwest wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Liberty

WhenTempForecastWindPrecip
This Afternoon 99°F Slight Chance Showers And Thunderstorms 0 to 5 mph WNW 23%
Tonight 70°F Slight Chance Rain Showers then Mostly Clear 0 to 5 mph SSE 19%
Sunday 97°F Sunny then Slight Chance Rain Showers 0 to 5 mph SW 18%
Sunday Night 70°F Partly Cloudy 0 mph 14%
Monday 97°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph WSW 25%
Monday Night 66°F Chance Showers And Thunderstorms then Areas Of Fog 0 to 5 mph ESE 40%
Tuesday 91°F Slight Chance Showers And Thunderstorms 0 to 5 mph NNE 61%
Tuesday Night 62°F Showers And Thunderstorms Likely 0 to 5 mph NNE 61%
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.