S
M
T
W
T
F
S
26
79°
53°
27
82°
47°
28
79°
54°
29
73°
51°
30
64°
40°
1
71°
35°
2
57°
37°
3
64°
32°
4
78°
41°
5
80°
47°
6
65°
48°
7
57°
43°
8
72°
38°
9
73°
44°
10
80°
46°
11
69°
44°
12
76°
39°
13
76°
45°
14
56°
42°
15
72°
37°
16
82°
47°
17
89°
60°
18
93°
58°
19
91°
62°
20
90°
63°
21
75°
65°
22
68°
60°
23
79°
59°
24
85°
59°
25
71°
59°
26
79°
60°
27
84°
62°
28
84°
57°
29
85°
54°
30
82°
54°
31
81°
58°
1
81°
54°
2
74°
52°
3
74°
49°
4
74°
55°
5
79°
59°
6
78°
58°
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 74° to 82°, with overnight lows between 49° and 59°. The average high for May is 78° with an average low of 55°. 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.
