S
M
T
W
T
F
S
26
86°
64°
27
88°
74°
28
87°
74°
29
79°
65°
30
71°
57°
1
60°
53°
2
72°
49°
3
76°
53°
4
79°
59°
5
83°
69°
6
78°
57°
7
74°
52°
8
79°
55°
9
75°
63°
10
80°
61°
11
84°
65°
12
84°
65°
13
85°
62°
14
84°
67°
15
86°
67°
16
86°
66°
17
87°
68°
18
87°
68°
19
86°
67°
20
87°
68°
21
85°
68°
22
86°
67°
23
82°
68°
24
87°
69°
25
86°
69°
26
83°
68°
27
83°
63°
28
84°
66°
29
88°
68°
30
89°
69°
31
89°
69°
1
88°
70°
2
89°
70°
3
90°
71°
4
91°
71°
5
86°
67°
6
85°
66°
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 60° to 91°, with overnight lows between 49° and 71°. The average high for May is 83° with an average low of 64°. 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.