S
M
T
W
T
F
S
31
72°
63°
1
83°
63°
2
68°
54°
3
77°
52°
4
83°
52°
5
85°
58°
6
86°
60°
7
86°
65°
8
88°
72°
9
79°
70°
10
87°
69°
11
92°
71°
12
94°
71°
13
93°
69°
14
93°
68°
15
88°
68°
16
81°
63°
17
89°
72°
18
90°
74°
19
83°
68°
20
84°
67°
21
88°
68°
22
88°
71°
23
90°
69°
24
91°
71°
25
90°
69°
26
91°
70°
27
91°
69°
28
89°
68°
29
87°
70°
30
89°
67°
1
88°
66°
2
88°
69°
3
91°
72°
4
91°
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 81° to 93°, with overnight lows between 63° and 74°. 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.
