S
M
T
W
T
F
S
31
78°
56°
1
77°
60°
2
78°
59°
3
80°
62°
4
82°
63°
5
83°
65°
6
84°
66°
7
83°
63°
8
82°
67°
9
83°
68°
10
82°
68°
11
83°
67°
12
82°
68°
13
85°
68°
14
88°
69°
15
88°
69°
16
87°
68°
17
87°
67°
18
82°
65°
19
86°
70°
20
87°
70°
21
83°
69°
22
82°
67°
23
83°
70°
24
84°
67°
25
85°
71°
26
90°
72°
27
90°
72°
28
89°
71°
29
90°
71°
30
90°
69°
1
84°
65°
2
83°
64°
3
84°
69°
4
88°
71°
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 77° to 90°, with overnight lows between 56° and 72°. The average high for June is 84° with an average low of 67°. 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.
