S
M
T
W
T
F
S
26
50°
27°
27
53°
26°
28
56°
36°
29
62°
36°
30
65°
31°
1
76°
42°
2
75°
47°
3
74°
45°
4
69°
40°
5
78°
45°
6
83°
47°
7
80°
49°
8
77°
47°
9
74°
44°
10
72°
44°
11
74°
46°
12
76°
45°
13
76°
46°
14
71°
39°
15
65°
35°
16
66°
37°
17
67°
37°
18
67°
41°
19
66°
45°
20
64°
41°
21
66°
40°
22
65°
37°
23
65°
37°
24
67°
38°
25
69°
38°
26
76°
42°
27
77°
48°
28
75°
45°
29
73°
45°
30
74°
46°
31
72°
47°
1
70°
45°
2
68°
43°
3
76°
49°
4
69°
45°
5
71°
46°
6
74°
50°
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 64° to 83°, with overnight lows between 35° and 50°. The average high for May is 72° with an average low of 43°. 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.
