Lebanon, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lebanon, a city in Wilson County, Tennessee.
This Afternoon
73°F
Mostly Sunny
Mostly sunny. High near 73, with temperatures falling to around 69 in the afternoon. West southwest wind around 5 mph. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Lebanon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Sunny | 5 mph WSW | 2% |
| Tonight | 46°F | Partly Cloudy then Patchy Fog | 0 to 5 mph W | 0% |
| Thursday | 68°F | Patchy Fog then Partly Sunny | 0 to 5 mph WSW | 0% |
| Thursday Night | 41°F | Areas Of Fog | 0 mph | 0% |
| Friday | 64°F | Areas Of Fog then Mostly Sunny | 0 to 10 mph NNW | 0% |
| Friday Night | 35°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 57°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 30°F | Mostly Clear | 0 to 5 mph N | 0% |
| Sunday | 60°F | Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 30°F | Mostly Clear | 0 mph | 0% |
| Monday | 62°F | Sunny | 0 mph | 0% |
| Monday Night | 31°F | Mostly Clear | 0 mph | 3% |
| Tuesday | 64°F | Mostly Sunny | 0 to 5 mph NW | 2% |
| Tuesday Night | 34°F | Mostly Clear | 0 mph | 2% |
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 5, 2026.