S
M
T
W
T
F
S
26
96°
81°
27
96°
80°
28
96°
80°
29
95°
82°
30
96°
82°
31
94°
83°
1
96°
81°
2
85°
76°
3
95°
75°
4
93°
78°
5
92°
77°
6
92°
77°
7
91°
77°
8
90°
78°
9
91°
79°
10
89°
78°
11
93°
77°
12
92°
78°
13
94°
78°
14
92°
79°
15
91°
78°
16
92°
79°
17
90°
77°
18
90°
79°
19
93°
78°
20
94°
79°
21
93°
79°
22
91°
78°
23
89°
79°
24
90°
79°
25
91°
78°
26
92°
79°
27
92°
79°
28
91°
78°
29
93°
79°
30
92°
78°
31
89°
78°
1
90°
77°
2
92°
78°
3
92°
78°
4
91°
77°
5
87°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chalmette
Chalmette's August 2026 forecast shows daily high temperatures ranging from 87° to 94°, with overnight lows between 77° and 79°. The average high for August is 91° with an average low of 78°. 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 Chalmette. See also: September | October | November.
