S
M
T
W
T
F
S
26
60°
41°
27
71°
37°
28
56°
44°
29
56°
50°
30
60°
40°
1
61°
32°
2
54°
37°
3
61°
36°
4
73°
33°
5
80°
52°
6
66°
51°
7
65°
44°
8
63°
36°
9
60°
47°
10
64°
47°
11
62°
40°
12
67°
32°
13
65°
51°
14
54°
40°
15
71°
46°
16
79°
43°
17
85°
56°
18
91°
57°
19
90°
61°
20
84°
60°
21
61°
53°
22
68°
47°
23
51°
46°
24
62°
55°
25
76°
53°
26
82°
59°
27
80°
57°
28
78°
49°
29
76°
52°
30
72°
49°
31
69°
49°
1
76°
53°
2
75°
53°
3
75°
57°
4
76°
57°
5
78°
58°
6
79°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Selinsgrove Junction
Selinsgrove Junction's May 2026 forecast shows daily high temperatures ranging from 62° to 82°, with overnight lows between 49° and 59°. The average high for May is 75° with an average low of 54°. 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 Selinsgrove Junction. See also: June | July | August.