S
M
T
W
T
F
S
26
59°
40°
27
58°
39°
28
61°
48°
29
69°
50°
30
68°
50°
1
70°
46°
2
60°
44°
3
60°
44°
4
61°
41°
5
61°
50°
6
66°
52°
7
71°
53°
8
73°
50°
9
62°
48°
10
62°
51°
11
64°
52°
12
68°
51°
13
71°
53°
14
74°
54°
15
75°
56°
16
75°
55°
17
73°
53°
18
66°
50°
19
66°
50°
20
71°
56°
21
71°
57°
22
71°
48°
23
71°
49°
24
73°
51°
25
74°
50°
26
75°
50°
27
78°
52°
28
77°
55°
29
80°
55°
30
81°
54°
31
76°
54°
1
76°
59°
2
80°
55°
3
76°
61°
4
82°
62°
5
82°
62°
6
83°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Manteno
Manteno's May 2026 forecast shows daily high temperatures ranging from 58° to 83°, with overnight lows between 39° and 63°. The average high for May is 71° with an average low of 52°. 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 Manteno. See also: June | July | August.