S
M
T
W
T
F
S
31
91°
70°
1
91°
68°
2
85°
66°
3
83°
63°
4
84°
59°
5
86°
60°
6
87°
62°
7
87°
73°
8
82°
70°
9
91°
71°
10
90°
71°
11
89°
70°
12
91°
72°
13
88°
71°
14
87°
69°
15
82°
68°
16
81°
71°
17
79°
67°
18
86°
72°
19
87°
73°
20
84°
71°
21
89°
70°
22
87°
72°
23
86°
72°
24
85°
71°
25
85°
72°
26
86°
72°
27
88°
71°
28
86°
72°
29
86°
72°
30
87°
71°
1
88°
73°
2
86°
73°
3
86°
72°
4
87°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Duncan
Duncan's June 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 67° and 73°. The average high for June is 86° with an average low of 71°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Duncan. See also: July | August | September.
