S
M
T
W
T
F
S
26
77°
62°
27
73°
62°
28
75°
61°
29
80°
63°
30
79°
63°
31
80°
64°
1
80°
62°
2
79°
63°
3
79°
62°
4
78°
61°
5
77°
62°
6
79°
63°
7
77°
61°
8
72°
60°
9
71°
61°
10
75°
62°
11
72°
62°
12
75°
61°
13
77°
63°
14
78°
62°
15
78°
61°
16
70°
58°
17
72°
53°
18
73°
60°
19
77°
60°
20
74°
59°
21
77°
57°
22
73°
54°
23
73°
55°
24
74°
54°
25
76°
54°
26
76°
57°
27
75°
55°
28
75°
58°
29
74°
58°
30
75°
57°
31
75°
58°
1
74°
58°
2
75°
50°
3
74°
48°
4
65°
51°
5
65°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Key River
Key River's August 2026 forecast shows daily high temperatures ranging from 65° to 80°, with overnight lows between 48° and 64°. The average high for August is 75° with an average low of 59°. 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 Key River. See also: September | October | November.