Whitesboro, OK Weather & Growing Conditions
Today
96°F
Sunny
Sunny, with a high near 96. Heat index values as high as 100. Southeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Sunny | 0 to 5 mph SE | 1% |
| Tonight | 73°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Wednesday | 97°F | Sunny | 0 to 5 mph S | 6% |
| Wednesday Night | 75°F | Mostly Clear | 0 mph | 6% |
| Thursday | 96°F | Mostly Sunny | 0 to 5 mph S | 12% |
| Thursday Night | 74°F | Partly Cloudy | 0 mph | 13% |
| Friday | 93°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 42% |
| Friday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 42% |
| Saturday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 17% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 17% |
| Sunday | 93°F | Sunny | 0 to 5 mph S | 6% |
| Sunday Night | 73°F | Mostly Clear | 0 to 5 mph S | 6% |
| Monday | 93°F | Sunny | 0 to 5 mph S | 6% |
| Monday Night | 74°F | Mostly Clear | 5 mph S | 6% |
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 Aug 4, 2026.