S
M
T
W
T
F
S
31
75°
42°
1
76°
49°
2
78°
44°
3
82°
50°
4
86°
50°
5
89°
54°
6
88°
60°
7
84°
62°
8
77°
55°
9
81°
51°
10
83°
65°
11
93°
68°
12
93°
71°
13
86°
63°
14
89°
59°
15
76°
58°
16
75°
50°
17
82°
55°
18
88°
71°
19
83°
59°
20
82°
56°
21
83°
62°
22
79°
62°
23
83°
59°
24
84°
60°
25
84°
59°
26
85°
62°
27
85°
63°
28
88°
66°
29
88°
65°
30
86°
66°
1
85°
63°
2
81°
61°
3
82°
66°
4
83°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Collegeville
Collegeville's June 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 56° and 66°. The average high for June is 84° with an average low of 62°. 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 Collegeville. See also: July | August | September.
