Monthly Historical AveragesDuncan, OK
Average Temperature
High
32°
Feels 34
Low
21°
Feels 21
Average Precipitation
9 Days
89.1mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, June 10, 2026
Day
35°Feels 37
Wind
35 km/h S
Gust
52 km/h
Humidity
41%
P.O.P
0%
Night
25°Feels 25
Wind
30 km/h S
Gust
45 km/h
Humidity
78%
P.O.P
0%
Historical AveragesJun 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity