National Weather Service Forecast for: Bethany OK
Issued by: National Weather Service Norman, OK
Updated: 1:27 pm CDT Jul 28, 2026
 
This
Afternoon
This Afternoon: Partly sunny and hot, with a high near 100. Heat index values as high as 105. South wind around 8 mph.
Hot
 Tonight

Tonight: Partly cloudy, with a low around 78. South wind 7 to 10 mph.
Partly Cloudy
 Wednesday

Wednesday: Mostly sunny and hot, with a high near 100. Heat index values as high as 105. South wind around 8 mph.
Hot
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 78. South wind around 10 mph.
Mostly Clear
 Thursday

Thursday: Mostly sunny and hot, with a high near 100. South wind 8 to 10 mph.
Hot
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 78.
Partly Cloudy
 Friday

Friday: Mostly sunny and hot, with a high near 100.
Hot
 Friday
Night
Friday Night: Mostly clear, with a low around 73.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 91.
Sunny
Hi 100 °F Lo 78 °F Hi 100 °F Lo 78 °F Hi 100 °F Lo 78 °F Hi 100 °F Lo 73 °F Hi 91 °F

Heat Advisory
Heat Advisory
 

This Afternoon
 
 Partly sunny and hot, with a high near 100. Heat index values as high as 105. South wind around 8 mph.
Tonight
 
 Partly cloudy, with a low around 78. South wind 7 to 10 mph.
Wednesday
 
 Mostly sunny and hot, with a high near 100. Heat index values as high as 105. South wind around 8 mph.
Wednesday Night
 
 Mostly clear, with a low around 78. South wind around 10 mph.
Thursday
 
 Mostly sunny and hot, with a high near 100. South wind 8 to 10 mph.
Thursday Night
 
 Partly cloudy, with a low around 78.
Friday
 
 Mostly sunny and hot, with a high near 100.
Friday Night
 
 Mostly clear, with a low around 73.
Saturday
 
 Sunny, with a high near 91.
Saturday Night
 
 Clear, with a low around 68.
Sunday
 
 Sunny, with a high near 90.
Sunday Night
 
 Clear, with a low around 68.
Monday
 
 Sunny, with a high near 94.

 

Forecast from NOAA-NWS for Bethany OK.