Lebanon, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lebanon, a community in Marshall County, Oklahoma.
Tonight
47°F
Mostly Clear
Mostly clear, with a low around 47. Northwest wind around 2 mph.
7-day forecast for Lebanon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Clear | 2 mph NW | 0% |
| Wednesday | 72°F | Sunny | 1 to 5 mph WNW | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 2 mph SSE | 0% |
| Thursday | 75°F | Mostly Sunny | 2 to 9 mph SW | 4% |
| Thursday Night | 46°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 10 mph NNW | 15% |
| Friday | 70°F | Sunny | 5 to 9 mph N | 0% |
| Friday Night | 42°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 68°F | Mostly Sunny | 2 to 6 mph N | 1% |
| Saturday Night | 42°F | Partly Cloudy | 2 mph NNW | 5% |
| Sunday | 71°F | Sunny | 1 to 5 mph NW | 1% |
| Sunday Night | 42°F | Clear | 2 mph SW | 1% |
| Monday | 73°F | Sunny | 1 to 7 mph S | 1% |
| Monday Night | 45°F | Mostly Clear | 5 mph S | 1% |
| Tuesday | 76°F | Sunny | 2 to 7 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Lebanon (33.972, -96.924). Updated through the day.
Growing snapshot for Lebanon
Last spring frost
Mar 24
First fall frost
Nov 6
Growing season
226 days
Hardiness zone
8a
More local growing data for Lebanon: nearby ZIP 73440 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Madill 11Wsw Mesonet, Ok (6 mi from Lebanon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.