S
M
T
W
T
F
S
26
91°
64°
27
86°
63°
28
85°
64°
29
86°
65°
30
86°
63°
31
87°
63°
1
87°
65°
2
90°
69°
3
91°
69°
4
93°
63°
5
86°
64°
6
85°
67°
7
85°
63°
8
86°
69°
9
89°
69°
10
88°
68°
11
91°
65°
12
91°
63°
13
87°
61°
14
83°
61°
15
84°
65°
16
83°
67°
17
90°
68°
18
91°
67°
19
91°
67°
20
90°
66°
21
87°
68°
22
85°
68°
23
90°
67°
24
91°
60°
25
90°
59°
26
82°
60°
27
82°
59°
28
83°
59°
29
80°
61°
30
82°
65°
31
83°
63°
1
84°
61°
2
82°
61°
3
81°
63°
4
83°
64°
5
84°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Flat River
Flat River's August 2026 forecast shows daily high temperatures ranging from 80° to 93°, with overnight lows between 59° and 69°. The average high for August is 86° 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 Flat River. See also: September | October | November.
