May, OK Weather & Growing Conditions
Today
100°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 100. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 to 15 mph SSW | 12% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms | 7 to 12 mph SW | 12% |
| Wednesday | 100°F | Slight Chance Showers And Thunderstorms | 6 to 12 mph SW | 12% |
| Wednesday Night | 69°F | Slight Chance Showers And Thunderstorms | 7 to 13 mph ESE | 24% |
| Thursday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 to 12 mph ESE | 19% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 12 mph SSE | 42% |
| Friday | 100°F | Slight Chance Showers And Thunderstorms | 13 mph S | 17% |
| Friday Night | 72°F | Mostly Clear | 12 mph S | 14% |
| Saturday | 100°F | Sunny | 8 to 12 mph S | 7% |
| Saturday Night | 74°F | Clear | 12 to 16 mph S | 0% |
| Sunday | 101°F | Sunny | 13 to 16 mph SSW | 0% |
| Sunday Night | 75°F | Clear | 17 mph S | 0% |
| Monday | 101°F | Sunny | 18 mph SSW | 0% |
| Monday Night | 75°F | Mostly Clear | 18 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for May, OK
Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
179 days
Hardiness zone
7a
Explore more for May, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Ft Supply 3Se, Ok (13.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.