Harman US

Bethany, OK Weather & Growing Conditions

Today
103°F
Sunny
Sunny, with a high near 103. Heat index values as high as 103. South wind around 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 103°F Sunny 10 mph S 1%
Tonight 78°F Mostly Clear 7 to 10 mph S 2%
Wednesday 102°F Sunny 12 mph SSW 3%
Wednesday Night 78°F Partly Cloudy 10 mph S 5%
Thursday 100°F Mostly Sunny 9 mph SSW 12%
Thursday Night 76°F Partly Cloudy then Slight Chance Showers And Thunderstorms 10 mph SSE 22%
Friday 97°F Chance Showers And Thunderstorms 10 mph S 30%
Friday Night 75°F Mostly Clear 10 mph S 14%
Saturday 97°F Sunny 10 mph S 13%
Saturday Night 76°F Clear 12 mph S 4%
Sunday 98°F Sunny 13 mph S 1%
Sunday Night 76°F Clear 13 mph S 0%
Monday 98°F Sunny 14 mph SSW 1%
Monday Night 77°F Mostly Clear 13 mph S 1%

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

Growing snapshot for Bethany, OK

Last spring frost
Apr 2
First fall frost
Nov 4
Growing season
216 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Oklahoma City Post Ap, Ok (1.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.