S
M
T
W
T
F
S
26
64°
43°
27
56°
46°
28
54°
46°
29
62°
44°
30
69°
46°
1
73°
50°
2
76°
52°
3
83°
53°
4
83°
54°
5
77°
53°
6
72°
48°
7
69°
47°
8
70°
49°
9
69°
48°
10
72°
48°
11
69°
49°
12
70°
47°
13
67°
48°
14
64°
42°
15
66°
45°
16
63°
46°
17
60°
46°
18
60°
45°
19
63°
44°
20
63°
48°
21
60°
47°
22
60°
43°
23
65°
44°
24
69°
48°
25
70°
50°
26
71°
50°
27
66°
48°
28
66°
46°
29
67°
48°
30
70°
51°
31
65°
50°
1
61°
50°
2
64°
48°
3
65°
49°
4
62°
48°
5
63°
47°
6
68°
50°
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 83°, with overnight lows between 42° and 54°. The average high for May is 68° with an average low of 48°. 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.