S
M
T
W
T
F
S
31
85°
68°
1
86°
67°
2
87°
69°
3
88°
69°
4
88°
68°
5
85°
66°
6
82°
64°
7
84°
67°
8
89°
71°
9
90°
71°
10
89°
70°
11
90°
70°
12
83°
64°
13
83°
66°
14
85°
66°
15
84°
65°
16
85°
69°
17
86°
68°
18
88°
69°
19
89°
68°
20
89°
69°
21
88°
68°
22
87°
67°
23
90°
67°
24
90°
69°
25
91°
73°
26
92°
74°
27
94°
75°
28
94°
74°
29
93°
73°
30
95°
73°
1
95°
71°
2
94°
73°
3
95°
74°
4
92°
74°
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 82° to 95°, with overnight lows between 64° and 75°. The average high for June is 89° with an average low of 69°. 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.
