Harman US

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

WhenTempForecastWindPrecip
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.