S
M
T
W
T
F
S
26
60°
49°
27
69°
41°
28
64°
48°
29
65°
54°
30
69°
48°
1
68°
39°
2
62°
37°
3
64°
36°
4
76°
46°
5
83°
60°
6
77°
56°
7
59°
43°
8
69°
48°
9
76°
53°
10
80°
59°
11
72°
48°
12
65°
42°
13
71°
49°
14
76°
56°
15
80°
58°
16
82°
59°
17
80°
57°
18
75°
52°
19
79°
56°
20
80°
57°
21
79°
57°
22
75°
49°
23
70°
49°
24
71°
50°
25
72°
52°
26
74°
51°
27
72°
50°
28
73°
51°
29
73°
52°
30
74°
57°
31
78°
59°
1
79°
60°
2
75°
58°
3
77°
57°
4
80°
59°
5
82°
61°
6
83°
61°
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 59° to 83°, with overnight lows between 42° and 61°. The average high for May is 75° with an average low of 54°. 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.