S
M
T
W
T
F
S
26
54°
38°
27
55°
40°
28
55°
40°
29
54°
39°
30
54°
40°
1
58°
41°
2
57°
35°
3
60°
43°
4
58°
45°
5
60°
40°
6
60°
38°
7
61°
41°
8
60°
45°
9
62°
48°
10
67°
48°
11
61°
49°
12
68°
50°
13
71°
44°
14
60°
40°
15
61°
41°
16
64°
51°
17
71°
52°
18
74°
47°
19
64°
42°
20
61°
41°
21
63°
48°
22
65°
47°
23
67°
53°
24
73°
55°
25
76°
54°
26
71°
52°
27
67°
50°
28
67°
50°
29
68°
52°
30
68°
52°
31
70°
50°
1
71°
49°
2
70°
49°
3
75°
48°
4
74°
51°
5
76°
50°
6
72°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wyoming
Wyoming's May 2026 forecast shows daily high temperatures ranging from 54° to 76°, with overnight lows between 35° and 55°. The average high for May is 65° 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 Wyoming. See also: June | July | August.
