S
M
T
W
T
F
S
26
84°
73°
27
80°
75°
28
80°
75°
29
82°
74°
30
82°
70°
1
72°
60°
2
71°
55°
3
72°
57°
4
72°
63°
5
77°
68°
6
81°
73°
7
77°
70°
8
80°
68°
9
79°
67°
10
81°
68°
11
78°
68°
12
81°
67°
13
82°
68°
14
83°
69°
15
82°
73°
16
82°
75°
17
85°
76°
18
84°
76°
19
85°
74°
20
80°
73°
21
81°
72°
22
82°
73°
23
84°
72°
24
83°
72°
25
83°
73°
26
84°
74°
27
83°
74°
28
88°
77°
29
86°
76°
30
85°
76°
31
84°
75°
1
84°
76°
2
85°
76°
3
86°
75°
4
86°
77°
5
85°
77°
6
83°
76°
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 80° to 88°, with overnight lows between 72° and 77°. The average high for May is 84° with an average low of 75°. 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.
