May, OK Weather & Growing Conditions
Tonight
68°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 68. South southeast wind 8 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Slight Chance Showers And Thunderstorms | 8 to 16 mph SSE | 25% |
| Sunday | 86°F | Mostly Sunny | 12 mph NNE | 13% |
| Sunday Night | 62°F | Partly Cloudy | 7 to 10 mph NE | 18% |
| Monday | 81°F | Partly Sunny | 9 mph NNE | 18% |
| Monday Night | 59°F | Partly Cloudy | 7 mph ENE | 5% |
| Tuesday | 80°F | Mostly Sunny | 8 mph E | 6% |
| Tuesday Night | 59°F | Partly Cloudy | 9 mph ESE | 3% |
| Wednesday | 81°F | Chance Rain Showers | 8 mph SE | 29% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms | 8 mph SSE | 38% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 6 to 10 mph SSE | 47% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms | 7 mph SSE | 52% |
| Friday | 88°F | Chance Showers And Thunderstorms | 8 mph SSE | 52% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 8 mph SE | 32% |
| Saturday | 90°F | Chance Rain Showers | 8 to 13 mph SSE | 32% |
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 Sep 20, 2026.