S
M
T
W
T
F
S
26
62°
44°
27
67°
33°
28
73°
33°
29
76°
36°
30
77°
40°
1
76°
45°
2
78°
47°
3
81°
51°
4
70°
54°
5
61°
41°
6
72°
35°
7
82°
45°
8
87°
43°
9
89°
54°
10
91°
54°
11
93°
50°
12
93°
55°
13
85°
52°
14
84°
46°
15
82°
50°
16
82°
48°
17
78°
49°
18
72°
48°
19
76°
42°
20
80°
45°
21
82°
42°
22
82°
46°
23
84°
48°
24
85°
49°
25
79°
53°
26
80°
51°
27
79°
51°
28
77°
50°
29
75°
48°
30
81°
52°
31
87°
54°
1
91°
58°
2
92°
62°
3
87°
59°
4
85°
58°
5
84°
56°
6
85°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Star Valley
Star Valley's May 2026 forecast shows daily high temperatures ranging from 75° to 92°, with overnight lows between 48° and 62°. The average high for May is 84° 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 Star Valley. See also: June | July | August.
