S
M
T
W
T
F
S
31
77°
46°
1
73°
52°
2
77°
52°
3
79°
50°
4
84°
54°
5
86°
61°
6
86°
68°
7
84°
64°
8
85°
70°
9
80°
69°
10
81°
71°
11
85°
70°
12
83°
60°
13
84°
63°
14
83°
59°
15
82°
58°
16
78°
55°
17
81°
60°
18
79°
60°
19
81°
61°
20
79°
60°
21
83°
64°
22
78°
64°
23
79°
63°
24
79°
62°
25
84°
64°
26
85°
65°
27
83°
63°
28
81°
58°
29
79°
60°
30
80°
60°
1
82°
65°
2
81°
65°
3
84°
64°
4
81°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Mechanicsburg
Mechanicsburg's June 2026 forecast shows daily high temperatures ranging from 78° to 85°, with overnight lows between 55° and 71°. The average high for June is 82° 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 Mechanicsburg. See also: July | August | September.
