S
M
T
W
T
F
S
27
82°
63°
28
79°
71°
29
82°
69°
30
70°
58°
1
72°
59°
2
69°
57°
3
73°
51°
4
77°
49°
5
69°
54°
6
64°
56°
7
75°
59°
8
73°
55°
9
76°
57°
10
77°
58°
11
79°
54°
12
84°
54°
13
92°
61°
14
97°
70°
15
80°
64°
16
91°
64°
17
88°
63°
18
83°
68°
19
86°
71°
20
82°
60°
21
87°
57°
22
81°
64°
23
90°
64°
24
90°
74°
25
91°
70°
26
78°
64°
27
81°
66°
28
80°
64°
29
78°
64°
30
82°
63°
31
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Illinois Bend
Illinois Bend's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Illinois Bend. See also: June | July | August.
