Cromwell, OK Weather & Growing Conditions
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 98. South southwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 10 mph SSW | 0% |
| Tonight | 73°F | Mostly Clear | 9 mph S | 5% |
| Sunday | 95°F | Chance Showers And Thunderstorms | 9 mph S | 68% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely | 2 to 6 mph ENE | 69% |
| Monday | 86°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph N | 64% |
| Monday Night | 62°F | Partly Cloudy then Slight Chance Rain Showers | 7 mph NNE | 19% |
| Tuesday | 81°F | Slight Chance Rain Showers then Mostly Sunny | 9 mph NNE | 19% |
| Tuesday Night | 58°F | Partly Cloudy | 7 mph NE | 4% |
| Wednesday | 83°F | Mostly Sunny | 6 mph NE | 7% |
| Wednesday Night | 60°F | Partly Cloudy | 5 mph ENE | 6% |
| Thursday | 86°F | Mostly Sunny | 5 mph ESE | 9% |
| Thursday Night | 62°F | Partly Cloudy | 3 mph E | 8% |
| Friday | 86°F | Partly Sunny | 5 mph SE | 12% |
| Friday Night | 63°F | Mostly Cloudy | 5 mph E | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cromwell, OK
Last spring frost
Mar 24
First fall frost
Nov 9
Growing season
229 days
Hardiness zone
7b
Explore more for Cromwell, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Okemah, Ok (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.