S
M
T
W
T
F
S
26
44°
19°
27
49°
20°
28
54°
22°
29
54°
24°
30
53°
26°
1
55°
26°
2
55°
28°
3
56°
29°
4
57°
31°
5
56°
30°
6
50°
22°
7
47°
22°
8
46°
21°
9
48°
29°
10
51°
30°
11
57°
29°
12
59°
32°
13
61°
34°
14
62°
35°
15
61°
34°
16
60°
34°
17
61°
33°
18
58°
37°
19
61°
33°
20
62°
37°
21
63°
31°
22
54°
26°
23
52°
34°
24
60°
32°
25
59°
37°
26
64°
29°
27
63°
27°
28
57°
27°
29
53°
28°
30
59°
29°
31
67°
30°
1
65°
38°
2
68°
40°
3
69°
39°
4
69°
38°
5
68°
29°
6
61°
30°
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 44° to 69°, with overnight lows between 19° and 40°. The average high for May is 58° with an average low of 30°. 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.
