Harman US

Cromwell, OK Weather & Growing Conditions

Tonight
72°F
Mostly Clear
Mostly clear, with a low around 72. South wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 72°F Mostly Clear 6 mph S 0%
Saturday 99°F Sunny 7 to 10 mph SSW 1%
Saturday Night 73°F Partly Cloudy 9 mph S 11%
Sunday 96°F Chance Showers And Thunderstorms 9 mph S 58%
Sunday Night 66°F Showers And Thunderstorms Likely 2 to 6 mph WSW 74%
Monday 87°F Slight Chance Showers And Thunderstorms 2 to 7 mph NNE 62%
Monday Night 62°F Partly Cloudy 6 mph NNE 10%
Tuesday 84°F Mostly Sunny 8 mph NNE 13%
Tuesday Night 60°F Partly Cloudy 7 mph NE 4%
Wednesday 85°F Mostly Sunny 6 mph NE 10%
Wednesday Night 61°F Partly Cloudy 5 mph NE 6%
Thursday 86°F Mostly Sunny 5 mph ENE 10%
Thursday Night 63°F Partly Cloudy 5 mph ENE 8%
Friday 86°F Partly Sunny 6 mph ESE 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.