S
M
T
W
T
F
S
26
78°
59°
27
82°
60°
28
77°
58°
29
77°
56°
30
81°
62°
31
82°
61°
1
81°
53°
2
77°
53°
3
75°
54°
4
75°
54°
5
76°
53°
6
75°
53°
7
76°
54°
8
77°
56°
9
80°
60°
10
81°
60°
11
79°
59°
12
81°
60°
13
77°
60°
14
81°
59°
15
82°
52°
16
75°
56°
17
79°
51°
18
75°
51°
19
74°
50°
20
74°
52°
21
75°
54°
22
75°
53°
23
73°
52°
24
75°
58°
25
73°
53°
26
79°
59°
27
79°
58°
28
78°
55°
29
73°
57°
30
71°
52°
31
72°
50°
1
72°
48°
2
71°
49°
3
71°
55°
4
72°
50°
5
72°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Monroe
Monroe's August 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 48° and 62°. The average high for August is 76° with an average low of 55°. 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 Monroe. See also: September | October | November.