Whitesboro, OK Weather & Growing Conditions
Tonight
71°F
Mostly Clear
Mostly clear, with a low around 71. South wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Mostly Clear | 0 to 5 mph S | 0% |
| Sunday | 97°F | Mostly Sunny | 5 mph S | 1% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 29% |
| Monday | 92°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 36% |
| Monday Night | 66°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph N | 35% |
| Tuesday | 89°F | Mostly Sunny | 5 mph N | 8% |
| Tuesday Night | 63°F | Partly Cloudy | 0 to 5 mph NE | 8% |
| Wednesday | 89°F | Sunny | 0 to 5 mph NE | 3% |
| Wednesday Night | 63°F | Mostly Clear | 0 to 5 mph E | 3% |
| Thursday | 90°F | Mostly Sunny | 0 to 5 mph E | 2% |
| Thursday Night | 64°F | Partly Cloudy | 0 to 5 mph E | 2% |
| Friday | 90°F | Mostly Sunny | 0 to 5 mph NE | 5% |
| Friday Night | 65°F | Mostly Cloudy | 0 mph | 5% |
| Saturday | 91°F | Partly Sunny | 0 to 5 mph E | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Whitesboro, OK
Last spring frost
Apr 9
First fall frost
Oct 29
Growing season
201 days
Hardiness zone
7b
Explore more for Whitesboro, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Smithville, Ok (16.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.