S
M
T
W
T
F
S
26
79°
58°
27
84°
62°
28
81°
67°
29
77°
63°
30
80°
55°
31
83°
53°
1
80°
62°
2
80°
69°
3
79°
60°
4
87°
54°
5
88°
67°
6
85°
68°
7
85°
66°
8
84°
66°
9
69°
69°
10
82°
69°
11
80°
68°
12
82°
66°
13
84°
67°
14
76°
58°
15
78°
65°
16
81°
64°
17
80°
60°
18
79°
61°
19
80°
59°
20
81°
62°
21
80°
60°
22
80°
60°
23
79°
59°
24
77°
55°
25
76°
56°
26
82°
59°
27
84°
62°
28
84°
60°
29
80°
56°
30
76°
54°
31
76°
58°
1
75°
61°
2
75°
62°
3
79°
62°
4
82°
61°
5
80°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fredericktown
Fredericktown's August 2026 forecast shows daily high temperatures ranging from 75° to 84°, with overnight lows between 54° and 69°. The average high for August is 80° with an average low of 61°. 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 Fredericktown. See also: September | October | November.