S
M
T
W
T
F
S
26
79°
59°
27
82°
61°
28
79°
66°
29
73°
63°
30
79°
54°
31
81°
54°
1
82°
59°
2
81°
68°
3
77°
59°
4
86°
64°
5
84°
68°
6
81°
67°
7
79°
68°
8
81°
63°
9
85°
64°
10
83°
66°
11
82°
63°
12
79°
62°
13
77°
60°
14
79°
61°
15
78°
59°
16
77°
58°
17
76°
57°
18
83°
60°
19
83°
60°
20
81°
58°
21
79°
54°
22
81°
60°
23
84°
61°
24
84°
61°
25
81°
60°
26
82°
61°
27
81°
60°
28
82°
60°
29
80°
58°
30
79°
59°
31
80°
58°
1
82°
54°
2
74°
50°
3
73°
50°
4
73°
51°
5
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fairmont City
Fairmont City's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 50° and 68°. The average high for August is 80° with an average low of 60°. 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 Fairmont City. See also: September | October | November.