Harman US

Isabella, OK Weather & Growing Conditions

Tonight
76°F
Mostly Clear
Mostly clear, with a low around 76. South wind around 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 76°F Mostly Clear 10 mph S 1%
Saturday 101°F Sunny 10 to 15 mph SSW 7%
Saturday Night 73°F Chance Showers And Thunderstorms 8 to 13 mph S 44%
Sunday 94°F Chance Showers And Thunderstorms 8 mph SSE 50%
Sunday Night 65°F Chance Showers And Thunderstorms 6 to 9 mph N 50%
Monday 85°F Slight Chance Rain Showers then Partly Sunny 10 mph N 22%
Monday Night 61°F Partly Cloudy 6 to 10 mph NE 9%
Tuesday 81°F Partly Sunny 8 mph NE 9%
Tuesday Night 59°F Partly Cloudy 8 mph ENE 7%
Wednesday 83°F Slight Chance Rain Showers 7 mph E 15%
Wednesday Night 62°F Partly Cloudy then Slight Chance Rain Showers 3 to 7 mph E 18%
Thursday 84°F Chance Rain Showers 6 mph ESE 34%
Thursday Night 64°F Slight Chance Rain Showers 3 to 7 mph ESE 24%
Friday 86°F Slight Chance Rain Showers 3 to 7 mph SSE 24%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Isabella, OK

Last spring frost
Apr 7
First fall frost
Nov 2
Growing season
208 days
Hardiness zone
7a

Explore more for Isabella, OK: full frost dates · planting calendar · Oklahoma frost dates

Climate data from the nearest NOAA station, Okeene, Ok (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.