S
M
T
W
T
F
S
26
59°
43°
27
55°
42°
28
55°
38°
29
53°
35°
30
50°
34°
1
53°
36°
2
67°
34°
3
70°
46°
4
61°
42°
5
49°
36°
6
45°
29°
7
58°
27°
8
71°
39°
9
60°
44°
10
59°
36°
11
68°
34°
12
69°
50°
13
71°
43°
14
78°
43°
15
89°
54°
16
82°
58°
17
70°
60°
18
65°
46°
19
55°
40°
20
62°
45°
21
64°
49°
22
72°
55°
23
75°
54°
24
77°
55°
25
72°
56°
26
74°
58°
27
77°
60°
28
72°
51°
29
65°
48°
30
66°
48°
31
68°
49°
1
67°
48°
2
68°
53°
3
70°
58°
4
74°
60°
5
79°
60°
6
80°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Excelsior
Excelsior's May 2026 forecast shows daily high temperatures ranging from 55° to 89°, with overnight lows between 40° and 60°. The average high for May is 71° with an average low of 53°. 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 Excelsior. See also: June | July | August.
