Wynnewood, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wynnewood, a city in Garvin County, Oklahoma.
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 for Wynnewood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Sunny | 7 mph SSE | 0% |
| Tonight | 72°F | Mostly Clear | 6 mph SSE | 0% |
| Saturday | 99°F | Sunny | 5 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 | 53% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 5 mph ESE | 72% |
| Monday | 90°F | Chance Rain Showers | 1 to 5 mph NE | 54% |
| Monday Night | 64°F | Mostly Clear | 5 mph NE | 14% |
| Tuesday | 86°F | Mostly Sunny | 7 mph NE | 14% |
| Tuesday Night | 61°F | Partly Cloudy | 6 mph NE | 4% |
| Wednesday | 86°F | Mostly Sunny | 3 mph ENE | 12% |
| Wednesday Night | 63°F | Partly Cloudy | 2 mph ENE | 7% |
| Thursday | 88°F | Slight Chance Rain Showers | 3 mph ENE | 19% |
| Thursday Night | 64°F | Partly Cloudy | 3 mph E | 8% |
Forecast source: National Weather Service (api.weather.gov) for Wynnewood (34.643, -97.162). Updated through the day.
Growing snapshot for Wynnewood
Last spring frost
Mar 28
First fall frost
Nov 7
Growing season
223 days
Hardiness zone
7b
More local growing data for Wynnewood: nearby ZIP 73098 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Pauls Vly 1Ssw Mesonet, Ok (7.1 mi from Wynnewood). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.