S
M
T
W
T
F
S
26
32°
21°
27
32°
27°
28
41°
27°
29
41°
32°
30
43°
30°
1
52°
34°
2
61°
41°
3
59°
45°
4
52°
32°
5
32°
23°
6
46°
23°
7
54°
36°
8
57°
37°
9
46°
36°
10
63°
37°
11
73°
54°
12
64°
45°
13
77°
52°
14
63°
46°
15
64°
48°
16
59°
39°
17
41°
28°
18
32°
25°
19
43°
27°
20
54°
36°
21
37°
30°
22
50°
28°
23
63°
41°
24
66°
54°
25
70°
54°
26
66°
54°
27
70°
54°
28
73°
50°
29
72°
55°
30
61°
45°
31
59°
43°
1
77°
44°
2
83°
44°
3
81°
45°
4
85°
50°
5
82°
52°
6
91°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wind River Reservation
Wind River Reservation's May 2026 forecast shows daily high temperatures ranging from 77° to 91°, with overnight lows between 44° and 52°. The average high for May is 83° with an average low of 48°. 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 Wind River Reservation. See also: June | July | August.