S
M
T
W
T
F
S
31
77°
55°
1
75°
53°
2
73°
54°
3
77°
55°
4
80°
62°
5
86°
64°
6
85°
63°
7
78°
63°
8
81°
61°
9
83°
62°
10
85°
64°
11
86°
62°
12
84°
63°
13
83°
64°
14
84°
66°
15
78°
64°
16
81°
64°
17
82°
63°
18
83°
62°
19
78°
61°
20
79°
61°
21
78°
64°
22
79°
65°
23
81°
69°
24
82°
68°
25
85°
69°
26
83°
65°
27
82°
63°
28
82°
66°
29
87°
71°
30
90°
71°
1
89°
72°
2
89°
71°
3
84°
68°
4
83°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Harrisburg
Harrisburg's June 2026 forecast shows daily high temperatures ranging from 73° to 90°, with overnight lows between 53° and 72°. The average high for June is 82° with an average low of 64°. 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 Harrisburg. See also: July | August | September.
