S
M
T
W
T
F
S
26
87°
74°
27
88°
76°
28
88°
78°
29
89°
78°
30
89°
77°
31
87°
76°
1
89°
77°
2
88°
78°
3
89°
78°
4
90°
77°
5
90°
78°
6
89°
78°
7
89°
77°
8
90°
78°
9
89°
78°
10
88°
77°
11
89°
78°
12
89°
78°
13
90°
77°
14
89°
78°
15
89°
77°
16
90°
78°
17
92°
77°
18
93°
77°
19
92°
75°
20
93°
76°
21
90°
75°
22
93°
74°
23
93°
74°
24
92°
76°
25
93°
74°
26
93°
73°
27
91°
73°
28
89°
74°
29
91°
73°
30
90°
73°
31
90°
74°
1
91°
73°
2
88°
74°
3
91°
73°
4
92°
76°
5
92°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Destrehan
Destrehan's August 2026 forecast shows daily high temperatures ranging from 87° to 93°, with overnight lows between 73° and 78°. The average high for August is 90° 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 Destrehan. See also: September | October | November.