Lebanon, TN Weather & Growing Conditions
Tonight
71°F
Mostly Clear
Mostly clear, with a low around 71. South southeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Mostly Clear | 0 to 5 mph SSE | 2% |
| Sunday | 97°F | Sunny | 5 mph SSW | 13% |
| Sunday Night | 71°F | Partly Cloudy | 0 to 5 mph S | 10% |
| Monday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph WSW | 23% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph ENE | 34% |
| Tuesday | 90°F | Chance Showers And Thunderstorms | 0 to 5 mph NNE | 51% |
| Tuesday Night | 63°F | Chance Showers And Thunderstorms | 0 to 10 mph NNE | 51% |
| Wednesday | 83°F | Chance Rain Showers | 0 to 5 mph NNW | 38% |
| Wednesday Night | 60°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph N | 28% |
| Thursday | 81°F | Mostly Sunny | 0 to 5 mph N | 12% |
| Thursday Night | 58°F | Partly Cloudy | 0 to 5 mph NNE | 6% |
| Friday | 81°F | Mostly Sunny | 0 to 10 mph N | 6% |
| Friday Night | 57°F | Partly Cloudy | 5 to 10 mph NNE | 5% |
| Saturday | 82°F | Mostly Sunny | 5 to 10 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lebanon, TN
Last spring frost
Apr 10
First fall frost
Oct 30
Growing season
202 days
Hardiness zone
7b
Explore more for Lebanon, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Lebanon 7 N, Tn (2.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.