Lebanon, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lebanon, a city in Wilson County, Tennessee.
Overnight
63°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 63. South southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Lebanon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Showers And Thunderstorms | 15 mph SSE | 94% |
| Wednesday | 73°F | Showers And Thunderstorms | 5 to 15 mph SW | 99% |
| Wednesday Night | 47°F | Partly Cloudy then Patchy Fog | 0 to 5 mph WSW | 1% |
| Thursday | 72°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph WSW | 0% |
| Thursday Night | 42°F | Areas Of Fog | 0 mph | 0% |
| Friday | 68°F | Areas Of Fog then Mostly Sunny | 0 to 10 mph NNW | 0% |
| Friday Night | 37°F | Partly Cloudy | 5 mph NNW | 0% |
| Saturday | 60°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 60°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Sunday Night | 30°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 63°F | Sunny | 0 to 5 mph WSW | 0% |
| Monday Night | 32°F | Clear | 0 mph | 1% |
| Tuesday | 68°F | Sunny | 0 to 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Lebanon (36.199, -86.345). Updated through the day.
Growing snapshot for Lebanon
Last spring frost
Apr 16
First fall frost
Oct 21
Growing season
187 days
Hardiness zone
7b
More local growing data for Lebanon: nearby ZIP 37090 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gladeville, Tn (7.5 mi from Lebanon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.