S
M
T
W
T
F
S
26
83°
60°
27
85°
56°
28
81°
59°
29
85°
55°
30
85°
54°
31
89°
57°
1
90°
56°
2
90°
62°
3
90°
58°
4
89°
60°
5
87°
57°
6
86°
55°
7
86°
58°
8
88°
53°
9
87°
55°
10
82°
59°
11
82°
55°
12
77°
55°
13
73°
54°
14
73°
51°
15
79°
45°
16
76°
58°
17
81°
59°
18
80°
61°
19
82°
61°
20
80°
59°
21
81°
56°
22
78°
55°
23
76°
56°
24
77°
58°
25
75°
56°
26
78°
57°
27
75°
56°
28
77°
57°
29
73°
49°
30
71°
52°
31
72°
52°
1
73°
51°
2
72°
52°
3
73°
52°
4
73°
51°
5
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Happy Jack
Happy Jack's August 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 49° and 61°. The average high for August is 76° 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 August weather will actually feel in Happy Jack. See also: September | October | November.