S
M
T
W
T
F
S
26
87°
69°
27
87°
69°
28
86°
68°
29
87°
67°
30
85°
62°
31
80°
60°
1
80°
65°
2
79°
64°
3
83°
66°
4
85°
67°
5
85°
67°
6
86°
66°
7
82°
66°
8
80°
63°
9
79°
62°
10
81°
61°
11
84°
66°
12
86°
66°
13
87°
67°
14
88°
66°
15
87°
68°
16
88°
66°
17
88°
59°
18
81°
58°
19
78°
57°
20
78°
57°
21
79°
58°
22
79°
57°
23
80°
58°
24
80°
58°
25
84°
59°
26
85°
62°
27
86°
57°
28
79°
57°
29
78°
56°
30
79°
57°
31
81°
58°
1
83°
56°
2
79°
55°
3
78°
60°
4
82°
64°
5
84°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in McComb
McComb's August 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 55° and 69°. The average high for August is 83° with an average low of 62°. 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 McComb. See also: September | October | November.
