S
M
T
W
T
F
S
26
82°
67°
27
90°
66°
28
86°
69°
29
83°
63°
30
86°
57°
31
88°
64°
1
82°
70°
2
79°
65°
3
82°
58°
4
84°
64°
5
86°
67°
6
86°
70°
7
86°
69°
8
88°
71°
9
90°
70°
10
91°
67°
11
82°
66°
12
81°
68°
13
83°
66°
14
82°
65°
15
81°
69°
16
79°
58°
17
87°
66°
18
87°
65°
19
88°
65°
20
86°
64°
21
85°
64°
22
86°
63°
23
87°
65°
24
86°
65°
25
85°
64°
26
83°
65°
27
82°
64°
28
81°
62°
29
81°
62°
30
80°
63°
31
82°
62°
1
84°
61°
2
80°
57°
3
77°
57°
4
79°
59°
5
83°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fairborn
Fairborn's August 2026 forecast shows daily high temperatures ranging from 77° to 91°, with overnight lows between 57° and 71°. The average high for August is 84° 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 Fairborn. See also: September | October | November.