Wynnewood, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wynnewood, a city in Garvin County, Oklahoma.
Today
103°F
Sunny
Sunny, with a high near 103. Heat index values as high as 102. South wind around 6 mph.
7-day forecast for Wynnewood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 103°F | Sunny | 6 mph S | 0% |
| Tonight | 76°F | Mostly Clear | 6 mph SSE | 1% |
| Wednesday | 102°F | Sunny | 3 to 7 mph SSW | 2% |
| Wednesday Night | 77°F | Mostly Clear | 7 mph SSE | 2% |
| Thursday | 101°F | Mostly Sunny | 6 mph SSW | 12% |
| Thursday Night | 75°F | Partly Cloudy | 6 mph SSE | 12% |
| Friday | 98°F | Chance Showers And Thunderstorms | 6 mph S | 25% |
| Friday Night | 74°F | Chance Showers And Thunderstorms then Mostly Clear | 3 to 7 mph SSE | 25% |
| Saturday | 97°F | Sunny | 2 to 6 mph S | 12% |
| Saturday Night | 74°F | Mostly Clear | 6 mph S | 5% |
| Sunday | 98°F | Sunny | 3 to 8 mph S | 2% |
| Sunday Night | 74°F | Mostly Clear | 5 to 8 mph SSE | 1% |
| Monday | 97°F | Sunny | 5 to 10 mph S | 1% |
| Monday Night | 75°F | Mostly Clear | 6 to 10 mph S | 1% |
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 Aug 4, 2026.