S
M
T
W
T
F
S
31
76°
45°
1
77°
52°
2
77°
51°
3
84°
57°
4
89°
59°
5
94°
67°
6
90°
62°
7
82°
57°
8
73°
54°
9
76°
56°
10
82°
63°
11
84°
62°
12
86°
62°
13
81°
59°
14
84°
57°
15
79°
54°
16
74°
54°
17
74°
55°
18
75°
55°
19
76°
56°
20
79°
57°
21
79°
61°
22
76°
60°
23
77°
63°
24
77°
61°
25
78°
57°
26
77°
60°
27
84°
64°
28
83°
63°
29
79°
58°
30
78°
57°
1
77°
57°
2
78°
60°
3
81°
64°
4
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Duncannon
Duncannon's June 2026 forecast shows daily high temperatures ranging from 73° to 94°, with overnight lows between 51° and 67°. The average high for June is 80° with an average low of 59°. 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 Duncannon. See also: July | August | September.
