Wynnewood, OK Weather & Growing Conditions
This Afternoon
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 98. South southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Sunny | 7 mph SSE | 0% |
| Tonight | 72°F | Mostly Clear | 2 to 6 mph SSE | 0% |
| Saturday | 99°F | Sunny | 3 to 8 mph S | 1% |
| Saturday Night | 73°F | Mostly Clear | 5 to 8 mph S | 9% |
| Sunday | 97°F | Chance Showers And Thunderstorms | 7 mph S | 52% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph ESE | 72% |
| Monday | 90°F | Chance Rain Showers | 1 to 5 mph NE | 54% |
| Monday Night | 64°F | Mostly Clear then Slight Chance Rain Showers | 5 mph NE | 15% |
| Tuesday | 86°F | Slight Chance Rain Showers then Mostly Sunny | 7 mph NE | 15% |
| Tuesday Night | 61°F | Partly Cloudy | 6 mph NE | 4% |
| Wednesday | 86°F | Mostly Sunny | 3 mph ENE | 12% |
| Wednesday Night | 62°F | Partly Cloudy | 2 mph ENE | 7% |
| Thursday | 88°F | Slight Chance Rain Showers | 2 mph ENE | 19% |
| Thursday Night | 64°F | Partly Cloudy | 3 mph E | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Wynnewood, OK
Last spring frost
Mar 28
First fall frost
Nov 7
Growing season
223 days
Hardiness zone
7b
Explore more for Wynnewood, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Pauls Vly 1Ssw Mesonet, Ok (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.