Lebanon, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lebanon, a city in Laclede County, Missouri.
Today
91°F
Sunny
Sunny, with a high near 91. Heat index values as high as 93. South wind 2 to 7 mph.
7-day forecast for Lebanon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Sunny | 2 to 7 mph S | 0% |
| Tonight | 71°F | Mostly Clear | 2 to 7 mph SE | 2% |
| Wednesday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 mph S | 22% |
| Wednesday Night | 71°F | Slight Chance Showers And Thunderstorms | 6 mph S | 49% |
| Thursday | 90°F | Chance Showers And Thunderstorms | 6 mph S | 49% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 5 mph S | 42% |
| Friday | 88°F | Chance Showers And Thunderstorms | 5 mph SW | 42% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 5 mph S | 30% |
| Saturday | 91°F | Chance Showers And Thunderstorms | 6 mph SW | 28% |
| Saturday Night | 71°F | Mostly Clear | 7 mph S | 11% |
| Sunday | 92°F | Sunny | 8 mph SW | 4% |
| Sunday Night | 73°F | Mostly Clear | 7 mph S | 2% |
| Monday | 93°F | Sunny | 9 mph SW | 1% |
| Monday Night | 74°F | Mostly Clear | 7 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov) for Lebanon (37.672, -92.660). Updated through the day.
Growing snapshot for Lebanon
Last spring frost
Apr 17
First fall frost
Oct 21
Growing season
187 days
Hardiness zone
6b
More local growing data for Lebanon: nearby ZIP 65536 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lebanon 2W, Mo (2.6 mi from Lebanon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.