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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
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.