Smithville, OK Weather & Growing Conditions
Tonight
70°F
Mostly Clear
Mostly clear, with a low around 70. Southeast wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Mostly Clear | 0 mph | 0% |
| Saturday | 95°F | Sunny | 0 to 5 mph S | 0% |
| Saturday Night | 70°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 95°F | Mostly Sunny | 0 to 5 mph S | 1% |
| Sunday Night | 70°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 21% |
| Monday | 93°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 25% |
| Monday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 25% |
| Tuesday | 89°F | Mostly Sunny | 0 to 5 mph N | 14% |
| Tuesday Night | 64°F | Partly Cloudy | 0 to 5 mph NE | 14% |
| Wednesday | 88°F | Mostly Sunny | 5 mph NE | 6% |
| Wednesday Night | 63°F | Mostly Clear | 0 mph | 6% |
| Thursday | 88°F | Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 64°F | Partly Cloudy | 0 mph | 3% |
| Friday | 87°F | Mostly Sunny | 0 to 5 mph NE | 3% |
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 Sep 19, 2026.