S
M
T
W
T
F
S
26
95°
74°
27
94°
70°
28
94°
78°
29
88°
71°
30
88°
68°
31
84°
68°
1
79°
70°
2
77°
65°
3
83°
63°
4
86°
66°
5
89°
67°
6
91°
71°
7
88°
72°
8
89°
71°
9
94°
70°
10
93°
72°
11
94°
72°
12
92°
71°
13
90°
72°
14
90°
70°
15
89°
67°
16
84°
64°
17
93°
72°
18
93°
71°
19
92°
73°
20
94°
72°
21
92°
71°
22
92°
71°
23
93°
72°
24
90°
71°
25
90°
71°
26
89°
70°
27
87°
70°
28
91°
69°
29
89°
70°
30
90°
69°
31
90°
69°
1
89°
68°
2
90°
69°
3
89°
67°
4
89°
68°
5
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Calvert City
Calvert City's August 2026 forecast shows daily high temperatures ranging from 77° to 94°, with overnight lows between 63° and 73°. 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 Calvert City. See also: September | October | November.