S
M
T
W
T
F
S
31
96°
57°
1
97°
63°
2
101°
65°
3
95°
69°
4
96°
60°
5
97°
65°
6
97°
57°
7
96°
56°
8
99°
58°
9
102°
60°
10
102°
62°
11
104°
61°
12
102°
62°
13
103°
63°
14
98°
57°
15
93°
60°
16
94°
59°
17
92°
56°
18
91°
57°
19
93°
61°
20
99°
63°
21
101°
63°
22
101°
64°
23
102°
65°
24
102°
65°
25
101°
64°
26
100°
65°
27
101°
65°
28
99°
66°
29
94°
65°
30
96°
66°
1
95°
66°
2
94°
65°
3
95°
66°
4
98°
66°
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 91° to 104°, with overnight lows between 56° and 69°. The average high for June is 98° with an average low of 63°. 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.
