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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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.