S
M
T
W
T
F
S
26
90°
68°
27
89°
69°
28
88°
69°
29
86°
68°
30
82°
68°
31
82°
67°
1
81°
66°
2
82°
64°
3
83°
67°
4
82°
62°
5
81°
61°
6
82°
62°
7
82°
61°
8
81°
67°
9
81°
67°
10
82°
65°
11
82°
65°
12
83°
63°
13
83°
65°
14
84°
66°
15
84°
67°
16
82°
67°
17
87°
66°
18
82°
65°
19
84°
64°
20
86°
63°
21
82°
57°
22
80°
57°
23
82°
59°
24
81°
58°
25
82°
59°
26
88°
61°
27
89°
63°
28
90°
65°
29
90°
65°
30
89°
58°
31
81°
58°
1
81°
64°
2
87°
59°
3
87°
63°
4
85°
65°
5
89°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fort Knox
Fort Knox's August 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 57° and 69°. The average high for August is 84° with an average low of 64°. 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 Fort Knox. See also: September | October | November.
