S
M
T
W
T
F
S
26
81°
61°
27
83°
63°
28
81°
65°
29
77°
62°
30
82°
56°
31
83°
54°
1
82°
61°
2
82°
69°
3
82°
62°
4
87°
59°
5
89°
68°
6
87°
68°
7
84°
67°
8
84°
67°
9
87°
67°
10
86°
70°
11
82°
70°
12
77°
67°
13
81°
66°
14
78°
66°
15
79°
67°
16
78°
62°
17
76°
60°
18
76°
62°
19
78°
63°
20
78°
63°
21
77°
62°
22
85°
66°
23
86°
67°
24
78°
58°
25
78°
59°
26
81°
61°
27
85°
65°
28
83°
65°
29
82°
61°
30
77°
58°
31
77°
63°
1
76°
64°
2
76°
64°
3
77°
65°
4
83°
65°
5
82°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fairmont
Fairmont's August 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 58° and 70°. The average high for August is 80° with an average low of 64°. 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. See also: September | October | November.
