S
M
T
W
T
F
S
26
65°
47°
27
65°
48°
28
62°
50°
29
54°
39°
30
55°
34°
1
49°
33°
2
52°
28°
3
60°
40°
4
79°
50°
5
58°
43°
6
56°
36°
7
57°
33°
8
64°
41°
9
72°
43°
10
61°
38°
11
63°
36°
12
69°
34°
13
61°
37°
14
63°
38°
15
69°
40°
16
82°
59°
17
85°
62°
18
83°
66°
19
81°
60°
20
65°
46°
21
67°
45°
22
74°
52°
23
63°
55°
24
69°
51°
25
81°
46°
26
82°
53°
27
86°
58°
28
79°
49°
29
82°
51°
30
81°
49°
31
76°
53°
1
76°
54°
2
78°
55°
3
79°
56°
4
78°
60°
5
82°
63°
6
85°
64°
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 76° to 86°, with overnight lows between 49° and 64°. The average high for May is 80° with an average low of 55°. 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.
