S
M
T
W
T
F
S
26
77°
59°
27
84°
52°
28
79°
57°
29
77°
63°
30
68°
50°
1
72°
48°
2
64°
48°
3
66°
41°
4
79°
41°
5
81°
48°
6
77°
63°
7
63°
50°
8
72°
43°
9
77°
46°
10
82°
50°
11
70°
54°
12
77°
48°
13
81°
52°
14
68°
46°
15
77°
39°
16
87°
60°
17
87°
62°
18
89°
63°
19
89°
63°
20
85°
65°
21
80°
60°
22
75°
59°
23
75°
59°
24
79°
58°
25
78°
58°
26
80°
59°
27
79°
60°
28
80°
58°
29
81°
56°
30
82°
60°
31
79°
59°
1
82°
60°
2
83°
61°
3
82°
60°
4
77°
60°
5
76°
55°
6
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cosby
Cosby's May 2026 forecast shows daily high temperatures ranging from 75° to 89°, with overnight lows between 55° and 65°. The average high for May is 81° with an average low of 60°. 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 Cosby. See also: June | July | August.
