S
M
T
W
T
F
S
26
64°
45°
27
66°
48°
28
55°
43°
29
63°
43°
30
70°
43°
1
72°
49°
2
66°
52°
3
57°
47°
4
60°
46°
5
56°
45°
6
54°
41°
7
56°
42°
8
61°
46°
9
62°
45°
10
61°
46°
11
60°
46°
12
61°
44°
13
60°
45°
14
58°
41°
15
61°
48°
16
62°
48°
17
62°
47°
18
63°
48°
19
61°
48°
20
58°
47°
21
58°
45°
22
59°
43°
23
59°
44°
24
61°
44°
25
59°
43°
26
60°
43°
27
59°
47°
28
60°
48°
29
65°
49°
30
62°
44°
31
59°
44°
1
58°
45°
2
59°
44°
3
60°
45°
4
60°
44°
5
61°
45°
6
61°
45°
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 54° to 72°, with overnight lows between 41° and 52°. The average high for May is 60° with an average low of 45°. 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.
