S
M
T
W
T
F
S
26
76°
46°
27
70°
53°
28
64°
48°
29
59°
38°
30
58°
33°
1
55°
34°
2
59°
37°
3
70°
45°
4
81°
49°
5
58°
39°
6
58°
39°
7
60°
43°
8
64°
42°
9
68°
43°
10
70°
45°
11
68°
47°
12
71°
48°
13
74°
49°
14
74°
49°
15
72°
50°
16
73°
51°
17
74°
56°
18
73°
56°
19
76°
55°
20
72°
56°
21
71°
48°
22
67°
47°
23
68°
48°
24
69°
48°
25
69°
49°
26
68°
49°
27
69°
50°
28
71°
51°
29
71°
56°
30
75°
60°
31
73°
58°
1
73°
54°
2
76°
58°
3
76°
59°
4
78°
61°
5
80°
62°
6
79°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bishop Hill
Bishop Hill's May 2026 forecast shows daily high temperatures ranging from 58° to 81°, with overnight lows between 39° and 63°. The average high for May is 71° with an average low of 51°. 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 Bishop Hill. See also: June | July | August.