Smithville, OK Weather & Growing Conditions
Tonight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. Northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Partly Cloudy | 5 to 10 mph NW | 1% |
| Wednesday | 70°F | Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 48°F | Mostly Clear | 0 mph | 0% |
| Thursday | 72°F | Sunny | 0 to 5 mph S | 0% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph NW | 10% |
| Friday | 65°F | Sunny | 5 mph N | 1% |
| Friday Night | 44°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 63°F | Partly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 41°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 65°F | Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 41°F | Mostly Clear | 0 mph | 0% |
| Monday | 68°F | Sunny | 0 mph | 2% |
| Monday Night | 43°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 69°F | Sunny | 0 to 5 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Smithville, OK
Last spring frost
Apr 9
First fall frost
Oct 29
Growing season
201 days
Hardiness zone
7b
Explore more for Smithville, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Smithville, Ok (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.