S
M
T
W
T
F
S
26
74°
46°
27
78°
45°
28
77°
46°
29
74°
43°
30
74°
38°
31
75°
39°
1
78°
42°
2
82°
45°
3
82°
45°
4
81°
46°
5
81°
45°
6
76°
44°
7
80°
43°
8
76°
44°
9
79°
45°
10
75°
40°
11
76°
45°
12
80°
46°
13
79°
46°
14
77°
45°
15
78°
45°
16
70°
46°
17
72°
43°
18
69°
44°
19
72°
37°
20
71°
40°
21
71°
40°
22
72°
46°
23
78°
44°
24
73°
37°
25
70°
34°
26
70°
33°
27
72°
38°
28
71°
37°
29
75°
36°
30
69°
33°
31
67°
40°
1
72°
40°
2
66°
35°
3
72°
39°
4
70°
34°
5
Hist. Avg.
72°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Jackson Hole
Jackson Hole's August 2026 forecast shows daily high temperatures ranging from 66° to 82°, with overnight lows between 33° and 46°. The average high for August is 74° with an average low of 41°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Jackson Hole. See also: September | October | November.