S
M
T
W
T
F
S
26
60°
43°
27
73°
41°
28
70°
50°
29
64°
47°
30
51°
42°
1
55°
34°
2
47°
34°
3
58°
34°
4
71°
57°
5
76°
57°
6
63°
44°
7
56°
39°
8
62°
47°
9
60°
43°
10
62°
49°
11
61°
42°
12
60°
44°
13
65°
49°
14
63°
46°
15
62°
45°
16
68°
48°
17
71°
47°
18
74°
52°
19
71°
52°
20
75°
51°
21
72°
49°
22
70°
45°
23
64°
44°
24
65°
45°
25
66°
47°
26
66°
46°
27
67°
46°
28
67°
47°
29
68°
46°
30
68°
47°
31
73°
56°
1
70°
53°
2
71°
49°
3
71°
52°
4
73°
56°
5
75°
53°
6
79°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Collinsburg
Collinsburg's May 2026 forecast shows daily high temperatures ranging from 56° to 79°, with overnight lows between 39° and 58°. The average high for May is 68° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Collinsburg. See also: June | July | August.