S
M
T
W
T
F
S
26
55°
41°
27
56°
38°
28
64°
40°
29
56°
36°
30
57°
41°
1
62°
42°
2
58°
39°
3
61°
41°
4
65°
48°
5
68°
47°
6
69°
49°
7
70°
50°
8
71°
51°
9
69°
49°
10
63°
46°
11
60°
43°
12
61°
44°
13
64°
48°
14
62°
45°
15
64°
45°
16
67°
50°
17
72°
52°
18
68°
41°
19
68°
40°
20
64°
42°
21
65°
41°
22
64°
43°
23
65°
44°
24
64°
50°
25
67°
52°
26
72°
49°
27
71°
47°
28
68°
57°
29
70°
55°
30
80°
46°
31
70°
54°
1
70°
50°
2
73°
52°
3
74°
55°
4
79°
49°
5
79°
47°
6
70°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Benton Harbor
Benton Harbor's May 2026 forecast shows daily high temperatures ranging from 55° to 80°, with overnight lows between 36° and 57°. The average high for May is 67° with an average low of 46°. 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 Benton Harbor. See also: June | July | August.
