S
M
T
W
T
F
S
26
42°
20°
27
46°
22°
28
46°
27°
29
45°
24°
30
53°
27°
1
61°
21°
2
65°
20°
3
67°
26°
4
66°
26°
5
54°
30°
6
57°
19°
7
63°
35°
8
66°
32°
9
60°
30°
10
71°
25°
11
77°
30°
12
77°
35°
13
80°
46°
14
63°
35°
15
62°
36°
16
58°
25°
17
44°
30°
18
45°
24°
19
56°
18°
20
58°
21°
21
46°
26°
22
58°
21°
23
68°
32°
24
69°
38°
25
72°
39°
26
67°
40°
27
73°
35°
28
77°
38°
29
68°
39°
30
65°
35°
31
71°
41°
1
70°
42°
2
72°
42°
3
73°
41°
4
72°
42°
5
68°
42°
6
61°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Jackson Hole
Jackson Hole's May 2026 forecast shows daily high temperatures ranging from 61° to 77°, with overnight lows between 35° and 44°. The average high for May is 70° with an average low of 40°. 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 Jackson Hole. See also: June | July | August.
