S
M
T
W
T
F
S
26
57°
41°
27
69°
38°
28
57°
41°
29
58°
48°
30
64°
43°
1
64°
37°
2
58°
43°
3
59°
42°
4
73°
53°
5
83°
61°
6
68°
48°
7
55°
44°
8
59°
39°
9
60°
40°
10
64°
46°
11
66°
45°
12
66°
45°
13
65°
47°
14
67°
49°
15
68°
47°
16
69°
48°
17
76°
54°
18
76°
54°
19
75°
53°
20
76°
55°
21
76°
54°
22
75°
47°
23
68°
46°
24
67°
48°
25
68°
48°
26
70°
49°
27
69°
48°
28
69°
50°
29
70°
48°
30
70°
51°
31
71°
58°
1
75°
56°
2
72°
53°
3
72°
56°
4
76°
58°
5
76°
56°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Manheim
Manheim's May 2026 forecast shows daily high temperatures ranging from 55° to 83°, with overnight lows between 39° and 61°. The average high for May is 70° with an average low of 50°. 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 Manheim. See also: June | July | August.