Lebanon, OK Weather & Growing Conditions
This Afternoon
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 101. South southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 7 mph SSE | 0% |
| Tonight | 75°F | Mostly Clear | 7 mph SSE | 0% |
| Saturday | 99°F | Sunny | 6 to 10 mph S | 0% |
| Saturday Night | 76°F | Mostly Clear | 9 mph S | 3% |
| Sunday | 99°F | Mostly Sunny then Chance Showers And Thunderstorms | 9 mph S | 34% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph SSE | 59% |
| Monday | 94°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 2 to 6 mph NNE | 59% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 7 mph NE | 16% |
| Tuesday | 90°F | Mostly Sunny | 9 mph NNE | 11% |
| Tuesday Night | 67°F | Partly Cloudy | 8 mph NE | 4% |
| Wednesday | 91°F | Mostly Sunny | 8 mph ENE | 8% |
| Wednesday Night | 67°F | Partly Cloudy | 6 mph ENE | 3% |
| Thursday | 91°F | Mostly Sunny | 6 mph E | 9% |
| Thursday Night | 68°F | Partly Cloudy | 5 mph ENE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lebanon, OK
Last spring frost
Mar 24
First fall frost
Nov 6
Growing season
226 days
Hardiness zone
8a
Explore more for Lebanon, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Madill 11Wsw Mesonet, Ok (6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.