S
M
T
W
T
F
S
31
85°
61°
1
86°
58°
2
80°
61°
3
81°
64°
4
80°
64°
5
80°
63°
6
85°
64°
7
84°
66°
8
87°
65°
9
88°
64°
10
87°
65°
11
87°
66°
12
86°
66°
13
87°
67°
14
86°
67°
15
83°
66°
16
84°
67°
17
83°
67°
18
89°
62°
19
84°
63°
20
88°
67°
21
90°
69°
22
89°
68°
23
85°
66°
24
84°
67°
25
87°
64°
26
85°
64°
27
88°
68°
28
88°
69°
29
87°
67°
30
85°
68°
1
88°
68°
2
85°
65°
3
85°
63°
4
84°
63°
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 80° to 90°, with overnight lows between 58° and 69°. The average high for June is 85° 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.
