S
M
T
W
T
F
S
26
69°
53°
27
74°
47°
28
82°
48°
29
82°
54°
30
84°
54°
1
83°
56°
2
82°
60°
3
86°
64°
4
77°
60°
5
70°
52°
6
76°
47°
7
87°
55°
8
91°
61°
9
95°
67°
10
98°
71°
11
96°
65°
12
100°
67°
13
92°
68°
14
90°
63°
15
89°
61°
16
89°
61°
17
88°
56°
18
82°
57°
19
85°
62°
20
86°
60°
21
89°
61°
22
89°
70°
23
91°
73°
24
90°
74°
25
92°
73°
26
91°
72°
27
89°
71°
28
91°
72°
29
95°
74°
30
92°
69°
31
91°
71°
1
95°
73°
2
96°
74°
3
97°
74°
4
96°
75°
5
97°
75°
6
98°
74°
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 82° to 98°, with overnight lows between 56° and 75°. The average high for May is 91° with an average low of 70°. 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.
