S
M
T
W
T
F
S
26
84°
73°
27
86°
77°
28
86°
75°
29
84°
73°
30
N/A
1
69°
55°
2
77°
58°
3
77°
59°
4
79°
70°
5
84°
73°
6
85°
69°
7
80°
66°
8
78°
69°
9
80°
68°
10
84°
70°
11
86°
73°
12
87°
71°
13
85°
71°
14
86°
69°
15
86°
72°
16
84°
73°
17
86°
72°
18
86°
73°
19
87°
73°
20
85°
74°
21
85°
73°
22
83°
71°
23
84°
73°
24
85°
74°
25
83°
73°
26
84°
71°
27
86°
69°
28
85°
72°
29
86°
74°
30
87°
73°
31
89°
73°
1
88°
71°
2
89°
72°
3
88°
74°
4
89°
75°
5
91°
76°
6
89°
73°
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 69° to 91°, with overnight lows between 55° and 76°. The average high for May is 84° with an average low of 71°. 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.
