S
M
T
W
T
F
S
26
106°
65°
27
98°
66°
28
94°
64°
29
97°
68°
30
97°
64°
31
99°
65°
1
98°
64°
2
98°
61°
3
88°
58°
4
85°
56°
5
84°
56°
6
89°
58°
7
90°
63°
8
91°
64°
9
91°
63°
10
90°
63°
11
89°
62°
12
83°
62°
13
90°
61°
14
86°
61°
15
82°
60°
16
84°
61°
17
89°
62°
18
89°
62°
19
90°
63°
20
89°
62°
21
89°
62°
22
88°
63°
23
90°
63°
24
89°
62°
25
89°
62°
26
88°
61°
27
89°
61°
28
89°
60°
29
88°
61°
30
88°
60°
31
86°
59°
1
75°
57°
2
76°
57°
3
81°
58°
4
83°
51°
5
84°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Thunder Hawk
Thunder Hawk's August 2026 forecast shows daily high temperatures ranging from 75° to 106°, with overnight lows between 50° and 68°. The average high for August is 89° with an average low of 61°. 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 Thunder Hawk. See also: September | October | November.