S
M
T
W
T
F
S
26
54°
43°
27
68°
38°
28
59°
47°
29
58°
50°
30
62°
39°
1
64°
34°
2
54°
41°
3
62°
36°
4
74°
36°
5
84°
46°
6
70°
55°
7
67°
51°
8
67°
38°
9
66°
49°
10
70°
45°
11
63°
49°
12
70°
41°
13
67°
45°
14
57°
46°
15
71°
50°
16
82°
58°
17
89°
56°
18
96°
64°
19
97°
64°
20
82°
53°
21
63°
46°
22
62°
48°
23
65°
50°
24
68°
55°
25
70°
53°
26
78°
55°
27
76°
54°
28
80°
55°
29
76°
53°
30
80°
58°
31
79°
57°
1
79°
57°
2
77°
58°
3
72°
58°
4
76°
57°
5
73°
54°
6
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cohill
Cohill's May 2026 forecast shows daily high temperatures ranging from 62° to 97°, with overnight lows between 46° and 64°. The average high for May is 77° with an average low of 56°. 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 Cohill. See also: June | July | August.