S
M
T
W
T
F
S
26
83°
70°
27
89°
72°
28
89°
64°
29
87°
62°
30
85°
63°
31
84°
63°
1
84°
63°
2
87°
65°
3
88°
64°
4
90°
68°
5
88°
66°
6
89°
65°
7
88°
65°
8
84°
64°
9
89°
67°
10
88°
67°
11
83°
66°
12
84°
67°
13
84°
66°
14
82°
66°
15
83°
65°
16
84°
66°
17
82°
66°
18
83°
65°
19
85°
66°
20
82°
65°
21
83°
64°
22
82°
63°
23
88°
66°
24
88°
65°
25
85°
62°
26
88°
67°
27
90°
67°
28
89°
66°
29
88°
66°
30
88°
64°
31
87°
62°
1
79°
56°
2
79°
57°
3
82°
63°
4
83°
64°
5
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Flag Fork
Flag Fork's August 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 56° and 72°. The average high for August is 85° with an average low of 65°. 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 Flag Fork. See also: September | October | November.