S
M
T
W
T
F
S
26
95°
76°
27
95°
78°
28
95°
79°
29
95°
79°
30
96°
80°
31
96°
79°
1
96°
78°
2
93°
76°
3
95°
73°
4
93°
75°
5
90°
77°
6
89°
77°
7
89°
74°
8
92°
75°
9
90°
76°
10
89°
76°
11
90°
77°
12
92°
76°
13
93°
77°
14
94°
77°
15
93°
76°
16
93°
75°
17
95°
76°
18
93°
75°
19
94°
75°
20
91°
76°
21
93°
77°
22
94°
77°
23
92°
76°
24
92°
77°
25
91°
78°
26
93°
78°
27
93°
77°
28
92°
77°
29
94°
76°
30
93°
77°
31
91°
76°
1
90°
75°
2
92°
77°
3
93°
77°
4
94°
76°
5
90°
76°
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 89° to 95°, with overnight lows between 74° and 78°. The average high for August is 92° with an average low of 76°. 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.