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July 21st, 2026 :: 8:33 pm CDT   

Local Weather Report for
Duncan
Oklahoma, United States

 Current Duncan Weather Conditions Updated July 21st at 6:55 pm 
Temperature:104°F Dew Point:66°F
Barometer:29.89 inHg Wind:N 9 Mph
Humidity:29.8% Visibility:0M
 
 Duncan Weather Forecast Summary  
 
Today
Jul 21st
Wednesday
Jul 22nd
Thursday
Jul 23rd
Friday
Jul 24th
Saturday
Jul 25th
Sunny Sunny Sunny Mostly Sunny Mostly Sunny
108°F
105°F
78°F
101°F
75°F
111°F
80°F
111°F
81°F
 
 Duncan Detailed Weather Forecast  
 
Tuesday, July 21st, 2026
Evening Temperature: 96°F
Clear. Chance of a thunderstorm. Windy.
Wednesday, July 22nd, 2026
Overnight Temperature: 84°F
Clear.
Morning Temperature: 85°F
Sunny. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 103°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 94°F
Clear. Chance of a thunderstorm. Windy.
Thursday, July 23rd, 2026
Overnight Temperature: 81°F
Clear. Windy at times.
Morning Temperature: 81°F
Sunny. Windy at times.
Afternoon Temperature: 99°F
Sunny. Windy at times.
Evening Temperature: 92°F
Clear. Windy.
Friday, July 24th, 2026
Overnight Temperature: 83°F
Clear. Windy at times.
Morning Temperature: 87°F
Sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 109°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 98°F
Mostly clear with a chance of showers or thundershowers. Windy.
Saturday, July 25th, 2026
Overnight Temperature: 81°F
Mostly clear with a slight chance of showers or thundershowers. Windy at times.
Morning Temperature: 87°F
Mostly sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 109°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 101°F
Clear. Chance of a thunderstorm. Windy.
Sunday, July 26th, 2026
Overnight Temperature: 89°F
Clear. Windy.
Morning Temperature: 90°F
Mostly sunny. Windy.
Afternoon Temperature: 108°F
Sunny. Slight chance of a thunderstorm. Windy.
Evening Temperature: 99°F
Mostly clear. Windy.
Monday, July 27th, 2026
Overnight Temperature: 86°F
Mostly clear. Windy at times.
Morning Temperature: 86°F
Mostly sunny. Windy.
Afternoon Temperature: 107°F
Sunny. Windy.
Evening Temperature: 99°F
Mostly clear. Windy.
Tuesday, July 28th, 2026
Overnight Temperature: 85°F
Mostly clear. Windy at times.
Morning Temperature: 89°F
Mostly sunny. Windy.
Afternoon Temperature: 108°F
Mostly sunny. Windy at times.
Evening Temperature: 99°F
Mostly clear. Windy.
Wednesday, July 29th, 2026
Overnight Temperature: 83°F
Clear. Windy at times.
Morning Temperature: 87°F
Sunny. Slight chance of a thunderstorm. Windy.
Afternoon Temperature: 108°F
Sunny. Windy at times.
Evening Temperature: 100°F
Clear. Windy.





 

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This WeatherCity Weather Forecast for Duncan, Oklahoma, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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