S
M
T
W
T
F
S
31
94°
71°
1
93°
73°
2
90°
69°
3
88°
65°
4
87°
65°
5
90°
68°
6
90°
68°
7
91°
72°
8
90°
76°
9
95°
76°
10
94°
78°
11
95°
80°
12
87°
75°
13
93°
72°
14
84°
70°
15
84°
65°
16
85°
64°
17
88°
65°
18
90°
74°
19
83°
69°
20
89°
64°
21
89°
72°
22
79°
67°
23
81°
63°
24
85°
71°
25
87°
74°
26
89°
77°
27
91°
74°
28
91°
72°
29
93°
74°
30
97°
73°
1
96°
72°
2
91°
72°
3
90°
71°
4
90°
70°
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 85° to 97°, with overnight lows between 70° and 77°. The average high for June is 91° with an average low of 73°. 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.
