S
M
T
W
T
F
S
26
70°
56°
27
73°
52°
28
66°
51°
29
81°
59°
30
75°
57°
1
62°
54°
2
59°
43°
3
70°
48°
4
77°
53°
5
82°
60°
6
84°
66°
7
76°
49°
8
70°
49°
9
75°
55°
10
79°
59°
11
75°
59°
12
75°
55°
13
76°
59°
14
78°
60°
15
81°
57°
16
77°
56°
17
81°
58°
18
82°
61°
19
82°
61°
20
84°
62°
21
83°
61°
22
80°
55°
23
76°
54°
24
76°
56°
25
78°
58°
26
80°
58°
27
77°
56°
28
78°
57°
29
78°
58°
30
80°
60°
31
79°
62°
1
81°
65°
2
82°
64°
3
80°
64°
4
81°
63°
5
83°
66°
6
84°
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 59° to 84°, with overnight lows between 43° and 66°. The average high for May is 78° with an average low of 58°. 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.