S
M
T
W
T
F
S
26
91°
71°
27
91°
73°
28
95°
71°
29
90°
71°
30
86°
65°
31
88°
62°
1
89°
67°
2
83°
69°
3
82°
67°
4
86°
72°
5
86°
71°
6
86°
72°
7
90°
70°
8
86°
69°
9
87°
68°
10
88°
69°
11
85°
68°
12
87°
67°
13
86°
68°
14
87°
68°
15
86°
67°
16
85°
68°
17
87°
67°
18
90°
69°
19
92°
71°
20
92°
71°
21
91°
70°
22
90°
70°
23
90°
69°
24
89°
70°
25
90°
70°
26
88°
69°
27
89°
69°
28
88°
68°
29
89°
69°
30
90°
68°
31
89°
68°
1
90°
67°
2
90°
68°
3
89°
68°
4
88°
67°
5
87°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in LaFayette
LaFayette's August 2026 forecast shows daily high temperatures ranging from 85° to 92°, with overnight lows between 66° and 72°. The average high for August is 88° with an average low of 69°. 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 LaFayette. See also: September | October | November.