May, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for May, a town in Ellis County, Oklahoma.
Today
101°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 101. Heat index values as high as 97. South southwest wind around 13 mph, with gusts as high as 20 mph.
7-day forecast for May
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 101°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 13 mph SSW | 12% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms | 5 to 12 mph SSW | 12% |
| Wednesday | 101°F | Slight Chance Showers And Thunderstorms | 5 to 12 mph SW | 12% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 6 to 12 mph ESE | 25% |
| Thursday | 98°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 12 mph ESE | 21% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 8 to 12 mph SE | 42% |
| Friday | 100°F | Slight Chance Showers And Thunderstorms | 12 mph S | 17% |
| Friday Night | 72°F | Mostly Clear | 12 mph S | 13% |
| Saturday | 102°F | Sunny | 8 to 12 mph S | 7% |
| Saturday Night | 74°F | Clear | 15 mph S | 0% |
| Sunday | 102°F | Sunny | 15 mph SSW | 0% |
| Sunday Night | 75°F | Clear | 16 mph S | 0% |
| Monday | 101°F | Sunny | 18 mph SSW | 0% |
| Monday Night | 75°F | Mostly Clear | 17 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for May (36.617, -99.749). Updated through the day.
Growing snapshot for May
Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
179 days
Hardiness zone
7a
More local growing data for May: nearby ZIP 73851 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ft Supply 3Se, Ok (13.8 mi from May). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.