S
M
T
W
T
F
S
26
84°
65°
27
85°
64°
28
86°
64°
29
79°
62°
30
78°
62°
31
80°
64°
1
84°
68°
2
86°
69°
3
86°
68°
4
85°
67°
5
81°
66°
6
84°
68°
7
86°
67°
8
82°
68°
9
85°
66°
10
78°
61°
11
80°
64°
12
82°
67°
13
83°
66°
14
80°
60°
15
77°
59°
16
78°
61°
17
78°
63°
18
80°
65°
19
83°
63°
20
84°
66°
21
85°
63°
22
77°
60°
23
82°
66°
24
79°
62°
25
84°
60°
26
85°
64°
27
84°
58°
28
78°
56°
29
75°
55°
30
76°
57°
31
77°
61°
1
76°
63°
2
80°
56°
3
76°
52°
4
74°
54°
5
73°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Coal City
Coal City's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 52° and 69°. The average high for August is 81° with an average low of 62°. 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 Coal City. See also: September | October | November.
