S
M
T
W
T
F
S
26
54°
29°
27
45°
25°
28
46°
29°
29
48°
25°
30
41°
27°
1
54°
23°
2
63°
24°
3
64°
31°
4
62°
31°
5
37°
25°
6
35°
19°
7
58°
33°
8
62°
36°
9
67°
37°
10
62°
30°
11
76°
36°
12
73°
37°
13
82°
40°
14
71°
39°
15
72°
38°
16
71°
42°
17
57°
34°
18
34°
28°
19
45°
27°
20
53°
33°
21
57°
31°
22
55°
30°
23
65°
30°
24
73°
42°
25
72°
45°
26
71°
45°
27
66°
45°
28
74°
45°
29
70°
39°
30
67°
42°
31
66°
41°
1
65°
40°
2
67°
45°
3
71°
44°
4
73°
46°
5
72°
46°
6
69°
40°
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 65° to 74°, with overnight lows between 39° and 46°. The average high for May is 70° 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 Wyoming. See also: June | July | August.
