S
M
T
W
T
F
S
26
69°
42°
27
70°
51°
28
62°
47°
29
55°
42°
30
53°
38°
1
51°
35°
2
58°
34°
3
71°
46°
4
80°
46°
5
56°
42°
6
53°
38°
7
62°
33°
8
69°
41°
9
69°
49°
10
64°
41°
11
63°
36°
12
76°
41°
13
64°
43°
14
69°
52°
15
78°
59°
16
80°
59°
17
77°
64°
18
82°
59°
19
68°
48°
20
63°
46°
21
65°
48°
22
65°
53°
23
69°
50°
24
71°
54°
25
73°
58°
26
74°
53°
27
69°
58°
28
72°
57°
29
69°
54°
30
68°
53°
31
70°
53°
1
70°
50°
2
71°
50°
3
70°
55°
4
72°
61°
5
81°
63°
6
81°
63°
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 63° to 82°, with overnight lows between 43° and 64°. The average high for May is 72° with an average low of 55°. 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.