S
M
T
W
T
F
S
26
82°
62°
27
83°
63°
28
84°
62°
29
83°
63°
30
84°
63°
31
86°
64°
1
89°
67°
2
89°
67°
3
87°
66°
4
86°
65°
5
87°
62°
6
86°
61°
7
82°
61°
8
83°
62°
9
83°
62°
10
84°
63°
11
86°
62°
12
87°
61°
13
88°
63°
14
87°
67°
15
89°
65°
16
88°
66°
17
87°
65°
18
87°
65°
19
82°
62°
20
81°
65°
21
86°
66°
22
81°
65°
23
84°
60°
24
84°
63°
25
87°
65°
26
88°
64°
27
87°
65°
28
87°
64°
29
86°
62°
30
85°
63°
31
84°
62°
1
83°
61°
2
83°
62°
3
82°
61°
4
84°
64°
5
84°
63°
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 81° to 89°, with overnight lows between 60° and 67°. The average high for August is 85° with an average low of 63°. 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.