S
M
T
W
T
F
S
26
86°
65°
27
87°
66°
28
87°
66°
29
88°
67°
30
87°
67°
31
86°
66°
1
87°
66°
2
91°
67°
3
91°
70°
4
90°
68°
5
90°
70°
6
89°
65°
7
86°
64°
8
85°
65°
9
86°
65°
10
86°
66°
11
87°
66°
12
86°
65°
13
88°
68°
14
89°
67°
15
90°
68°
16
90°
68°
17
89°
69°
18
89°
68°
19
88°
67°
20
88°
68°
21
87°
67°
22
88°
68°
23
88°
67°
24
87°
67°
25
88°
66°
26
87°
66°
27
88°
65°
28
87°
67°
29
86°
66°
30
87°
67°
31
88°
66°
1
87°
65°
2
87°
64°
3
86°
65°
4
87°
66°
5
86°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Arcola
Arcola's August 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 64° and 70°. The average high for August is 88° with an average low of 67°. 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 Arcola. See also: September | October | November.
