S
M
T
W
T
F
S
26
96°
74°
27
98°
75°
28
98°
75°
29
97°
74°
30
98°
76°
31
98°
76°
1
99°
74°
2
98°
75°
3
98°
76°
4
99°
75°
5
99°
76°
6
98°
76°
7
99°
75°
8
98°
76°
9
99°
76°
10
99°
75°
11
98°
76°
12
99°
76°
13
99°
75°
14
98°
75°
15
97°
74°
16
98°
74°
17
92°
69°
18
92°
65°
19
90°
65°
20
89°
64°
21
88°
65°
22
89°
66°
23
92°
64°
24
88°
63°
25
88°
63°
26
87°
64°
27
87°
63°
28
88°
62°
29
90°
63°
30
91°
64°
31
93°
64°
1
94°
67°
2
93°
68°
3
93°
67°
4
92°
68°
5
92°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Calumet
Calumet's August 2026 forecast shows daily high temperatures ranging from 87° to 99°, with overnight lows between 62° and 76°. The average high for August is 94° 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 Calumet. See also: September | October | November.