S
M
T
W
T
F
S
26
67°
35°
27
61°
36°
28
64°
46°
29
69°
37°
30
79°
39°
1
69°
44°
2
70°
49°
3
87°
52°
4
72°
50°
5
73°
47°
6
73°
43°
7
72°
46°
8
67°
45°
9
74°
46°
10
76°
47°
11
74°
48°
12
69°
46°
13
71°
47°
14
70°
44°
15
74°
45°
16
62°
47°
17
67°
44°
18
61°
40°
19
61°
39°
20
63°
42°
21
72°
45°
22
68°
44°
23
67°
42°
24
72°
48°
25
66°
44°
26
64°
42°
27
72°
49°
28
73°
49°
29
72°
48°
30
73°
49°
31
74°
50°
1
73°
48°
2
72°
47°
3
72°
45°
4
68°
42°
5
67°
42°
6
66°
42°
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 61° to 87°, with overnight lows between 39° and 52°. The average high for May is 70° with an average low of 46°. 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.