S
M
T
W
T
F
S
31
84°
68°
1
87°
71°
2
82°
64°
3
81°
58°
4
82°
61°
5
85°
69°
6
81°
68°
7
85°
69°
8
81°
70°
9
90°
67°
10
89°
73°
11
88°
72°
12
84°
65°
13
77°
65°
14
75°
57°
15
78°
57°
16
81°
64°
17
90°
70°
18
78°
57°
19
81°
59°
20
83°
66°
21
81°
65°
22
80°
63°
23
83°
67°
24
85°
66°
25
83°
65°
26
87°
64°
27
85°
68°
28
83°
67°
29
82°
64°
30
82°
62°
1
83°
68°
2
85°
69°
3
83°
70°
4
83°
69°
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 75° to 90°, with overnight lows between 57° and 70°. The average high for June is 82° with an average low of 65°. 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.
