S
M
T
W
T
F
S
26
91°
71°
27
89°
76°
28
86°
71°
29
87°
67°
30
80°
67°
31
72°
62°
1
80°
63°
2
82°
60°
3
83°
64°
4
73°
59°
5
75°
55°
6
78°
50°
7
74°
58°
8
79°
55°
9
85°
64°
10
82°
66°
11
81°
69°
12
82°
70°
13
77°
66°
14
75°
65°
15
81°
71°
16
77°
63°
17
81°
59°
18
81°
63°
19
77°
57°
20
82°
54°
21
77°
65°
22
77°
59°
23
77°
51°
24
N/A
25
84°
61°
26
79°
57°
27
82°
55°
28
83°
63°
29
82°
66°
30
86°
64°
31
79°
60°
1
77°
56°
2
79°
57°
3
78°
58°
4
79°
57°
5
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Fairmont
Fairmont's August 2026 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 55° and 66°. The average high for August is 81° 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.
