S
M
T
W
T
F
S
26
50°
27°
27
53°
26°
28
56°
36°
29
62°
36°
30
65°
31°
1
72°
31°
2
74°
37°
3
77°
39°
4
68°
41°
5
63°
38°
6
69°
31°
7
72°
44°
8
69°
43°
9
73°
44°
10
75°
43°
11
72°
43°
12
83°
46°
13
71°
44°
14
75°
50°
15
77°
46°
16
73°
45°
17
73°
46°
18
75°
44°
19
73°
43°
20
72°
42°
21
70°
46°
22
66°
41°
23
69°
42°
24
75°
44°
25
77°
47°
26
76°
48°
27
71°
43°
28
75°
45°
29
71°
45°
30
74°
46°
31
78°
48°
1
79°
49°
2
79°
48°
3
69°
42°
4
67°
39°
5
72°
44°
6
76°
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 66° to 83°, with overnight lows between 39° and 50°. The average high for May is 73° with an average low of 45°. 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.
