S
M
T
W
T
F
S
26
99°
78°
27
100°
80°
28
88°
76°
29
83°
78°
30
82°
75°
31
85°
69°
1
83°
66°
2
87°
63°
3
90°
67°
4
92°
68°
5
88°
67°
6
85°
66°
7
89°
68°
8
96°
69°
9
97°
71°
10
99°
73°
11
98°
68°
12
97°
69°
13
96°
70°
14
94°
68°
15
87°
64°
16
91°
68°
17
93°
71°
18
93°
70°
19
92°
70°
20
93°
69°
21
93°
70°
22
92°
68°
23
92°
68°
24
91°
69°
25
92°
68°
26
90°
66°
27
90°
66°
28
92°
67°
29
92°
65°
30
91°
66°
31
91°
66°
1
90°
67°
2
91°
66°
3
91°
66°
4
90°
65°
5
90°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rossville
Rossville's August 2026 forecast shows daily high temperatures ranging from 85° to 99°, with overnight lows between 63° and 73°. The average high for August is 92° with an average low of 68°. 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 Rossville. See also: September | October | November.