S
M
T
W
T
F
S
26
82°
63°
27
90°
72°
28
86°
61°
29
72°
59°
30
66°
52°
1
72°
50°
2
72°
45°
3
82°
46°
4
81°
54°
5
81°
55°
6
64°
52°
7
73°
45°
8
81°
50°
9
86°
59°
10
73°
61°
11
79°
54°
12
82°
46°
13
86°
54°
14
84°
55°
15
86°
66°
16
88°
75°
17
90°
77°
18
89°
75°
19
80°
64°
20
74°
65°
21
74°
64°
22
79°
62°
23
82°
64°
24
81°
65°
25
82°
66°
26
83°
68°
27
84°
67°
28
83°
67°
29
84°
63°
30
81°
62°
31
86°
68°
1
85°
68°
2
82°
67°
3
80°
65°
4
80°
61°
5
82°
66°
6
84°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Monroe
Monroe's May 2026 forecast shows daily high temperatures ranging from 74° to 89°, with overnight lows between 61° and 75°. The average high for May is 82° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Monroe. See also: June | July | August.