S
M
T
W
T
F
S
26
65°
48°
27
73°
55°
28
65°
48°
29
59°
37°
30
56°
36°
1
49°
37°
2
53°
41°
3
61°
44°
4
64°
49°
5
64°
45°
6
59°
45°
7
64°
47°
8
63°
47°
9
65°
45°
10
61°
44°
11
62°
46°
12
63°
46°
13
62°
43°
14
62°
43°
15
63°
44°
16
63°
44°
17
64°
45°
18
71°
55°
19
70°
49°
20
66°
46°
21
66°
47°
22
67°
49°
23
69°
54°
24
76°
58°
25
77°
56°
26
69°
51°
27
69°
51°
28
71°
55°
29
76°
58°
30
79°
59°
31
79°
60°
1
80°
61°
2
81°
62°
3
81°
61°
4
80°
57°
5
72°
54°
6
77°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Bend
South Bend's May 2026 forecast shows daily high temperatures ranging from 49° to 81°, with overnight lows between 36° and 62°. The average high for May is 68° 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 South Bend. See also: June | July | August.
