S
M
T
W
T
F
S
26
41°
28°
27
43°
23°
28
45°
23°
29
48°
23°
30
54°
23°
1
59°
21°
2
64°
23°
3
66°
27°
4
66°
28°
5
55°
32°
6
57°
21°
7
63°
32°
8
66°
30°
9
61°
28°
10
70°
27°
11
73°
27°
12
77°
32°
13
75°
36°
14
61°
30°
15
61°
30°
16
55°
28°
17
46°
23°
18
47°
23°
19
57°
28°
20
59°
36°
21
58°
26°
22
63°
34°
23
65°
40°
24
72°
40°
25
73°
41°
26
67°
38°
27
68°
37°
28
69°
36°
29
72°
38°
30
67°
39°
31
68°
38°
1
63°
40°
2
62°
38°
3
67°
42°
4
69°
42°
5
70°
44°
6
69°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Star Valley Ranch
Star Valley Ranch's May 2026 forecast shows daily high temperatures ranging from 47° to 73°, with overnight lows between 23° and 44°. The average high for May is 65° with an average low of 37°. 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 Ranch. See also: June | July | August.
