S
M
T
W
T
F
S
26
42°
36°
27
46°
36°
28
57°
41°
29
46°
36°
30
43°
35°
1
44°
29°
2
63°
29°
3
68°
37°
4
60°
42°
5
45°
35°
6
45°
32°
7
52°
35°
8
65°
30°
9
54°
43°
10
51°
38°
11
45°
31°
12
51°
37°
13
63°
43°
14
48°
39°
15
83°
39°
16
74°
44°
17
44°
38°
18
49°
39°
19
55°
40°
20
54°
40°
21
46°
38°
22
44°
40°
23
45°
41°
24
65°
39°
25
68°
40°
26
72°
45°
27
60°
46°
28
57°
44°
29
86°
44°
30
56°
42°
31
63°
47°
1
60°
45°
2
62°
47°
3
76°
56°
4
72°
58°
5
66°
52°
6
60°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Superior
Superior's May 2026 forecast shows daily high temperatures ranging from 56° to 76°, with overnight lows between 42° and 58°. The average high for May is 64° 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 Superior. See also: June | July | August.
