S
M
T
W
T
F
S
26
78°
60°
27
82°
63°
28
84°
64°
29
86°
61°
30
79°
58°
31
80°
57°
1
77°
58°
2
77°
58°
3
78°
59°
4
77°
58°
5
78°
61°
6
78°
64°
7
79°
66°
8
82°
63°
9
82°
60°
10
83°
62°
11
84°
66°
12
82°
61°
13
86°
55°
14
78°
63°
15
78°
65°
16
81°
60°
17
78°
57°
18
78°
56°
19
77°
58°
20
78°
57°
21
77°
56°
22
76°
57°
23
77°
59°
24
79°
55°
25
76°
64°
26
76°
64°
27
84°
63°
28
80°
55°
29
80°
62°
30
79°
55°
31
78°
54°
1
75°
61°
2
75°
54°
3
76°
52°
4
74°
60°
5
75°
63°
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 74° to 86°, with overnight lows between 52° and 66°. The average high for August is 79° 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. See also: September | October | November.
