S
M
T
W
T
F
S
26
93°
72°
27
97°
75°
28
96°
75°
29
91°
71°
30
89°
70°
31
90°
66°
1
88°
67°
2
89°
66°
3
92°
69°
4
90°
68°
5
90°
68°
6
87°
70°
7
92°
72°
8
93°
72°
9
93°
71°
10
92°
72°
11
92°
72°
12
91°
73°
13
93°
72°
14
92°
73°
15
92°
72°
16
91°
71°
17
89°
70°
18
90°
71°
19
90°
70°
20
91°
71°
21
91°
71°
22
90°
70°
23
90°
71°
24
89°
71°
25
91°
70°
26
91°
72°
27
90°
71°
28
91°
70°
29
90°
70°
30
90°
69°
31
89°
70°
1
90°
70°
2
90°
69°
3
87°
67°
4
83°
64°
5
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Rolla
Rolla's August 2026 forecast shows daily high temperatures ranging from 83° to 97°, with overnight lows between 60° and 75°. The average high for August is 90° with an average low of 70°. 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 Rolla. See also: September | October | November.