S
M
T
W
T
F
S
26
59°
38°
27
71°
35°
28
56°
39°
29
57°
47°
30
60°
41°
1
64°
34°
2
57°
41°
3
59°
43°
4
71°
50°
5
81°
56°
6
66°
46°
7
55°
41°
8
59°
44°
9
56°
44°
10
64°
43°
11
62°
46°
12
65°
47°
13
65°
49°
14
66°
50°
15
67°
49°
16
68°
50°
17
76°
56°
18
76°
55°
19
75°
54°
20
75°
56°
21
76°
55°
22
75°
49°
23
68°
47°
24
67°
48°
25
68°
49°
26
69°
49°
27
69°
48°
28
70°
49°
29
69°
49°
30
70°
50°
31
71°
59°
1
74°
56°
2
72°
51°
3
72°
56°
4
76°
58°
5
73°
55°
6
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Schuylkill Haven
Schuylkill Haven's May 2026 forecast shows daily high temperatures ranging from 55° to 81°, with overnight lows between 41° and 59°. The average high for May is 69° with an average low of 50°. 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 Schuylkill Haven. See also: June | July | August.