S
M
T
W
T
F
S
26
48°
31°
27
43°
27°
28
50°
29°
29
52°
29°
30
49°
31°
1
58°
29°
2
65°
31°
3
68°
39°
4
69°
40°
5
42°
26°
6
50°
24°
7
66°
42°
8
70°
36°
9
68°
40°
10
70°
33°
11
82°
42°
12
83°
48°
13
82°
49°
14
69°
44°
15
72°
40°
16
69°
39°
17
46°
32°
18
37°
27°
19
50°
28°
20
59°
29°
21
52°
31°
22
58°
30°
23
71°
36°
24
74°
43°
25
76°
42°
26
67°
47°
27
76°
49°
28
77°
53°
29
74°
45°
30
61°
41°
31
69°
43°
1
69°
41°
2
73°
42°
3
78°
45°
4
78°
50°
5
77°
49°
6
75°
47°
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 61° to 78°, with overnight lows between 41° and 53°. The average high for May is 73° with an average low of 46°. 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.
