Lebanon, IN Weather & Growing Conditions
Overnight
63°F
Mostly Cloudy
Mostly cloudy. Low around 63, with temperatures rising to around 67 overnight. Southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Cloudy | 7 mph SE | 12% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 6 to 9 mph S | 60% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 6 mph S | 22% |
| Sunday | 81°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph WNW | 67% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 66% |
| Monday | 68°F | Showers And Thunderstorms Likely | 15 mph ENE | 60% |
| Monday Night | 52°F | Chance Rain Showers | 12 to 15 mph NE | 48% |
| Tuesday | 67°F | Chance Rain Showers | 15 mph NE | 35% |
| Tuesday Night | 53°F | Chance Showers And Thunderstorms | 7 to 14 mph NE | 35% |
| Wednesday | 67°F | Mostly Cloudy | 10 mph NNE | 13% |
| Wednesday Night | 53°F | Mostly Cloudy | 6 to 10 mph NNE | 9% |
| Thursday | 69°F | Partly Sunny | 6 to 9 mph NNE | 3% |
| Thursday Night | 53°F | Mostly Cloudy | 5 to 9 mph NNE | 3% |
| Friday | 71°F | Mostly Sunny | 6 to 9 mph NNE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lebanon, IN
Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
6a
Explore more for Lebanon, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Whitestown, In (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.