S
M
T
W
T
F
S
26
51°
37°
27
54°
36°
28
62°
37°
29
59°
34°
30
49°
41°
1
64°
29°
2
73°
33°
3
77°
46°
4
73°
42°
5
57°
31°
6
40°
30°
7
68°
28°
8
70°
39°
9
78°
46°
10
73°
49°
11
88°
42°
12
83°
54°
13
87°
55°
14
86°
51°
15
82°
53°
16
72°
47°
17
68°
42°
18
50°
38°
19
54°
39°
20
61°
43°
21
65°
46°
22
71°
49°
23
78°
52°
24
72°
50°
25
74°
50°
26
76°
51°
27
75°
46°
28
69°
44°
29
69°
42°
30
73°
45°
31
78°
51°
1
71°
52°
2
80°
51°
3
82°
52°
4
83°
54°
5
83°
53°
6
81°
53°
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 50° to 86°, with overnight lows between 38° and 54°. The average high for May is 73° with an average low of 48°. 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.
