S
M
T
W
T
F
S
26
59°
44°
27
61°
46°
28
69°
43°
29
76°
47°
30
81°
50°
1
70°
51°
2
62°
48°
3
59°
44°
4
54°
45°
5
62°
49°
6
71°
46°
7
70°
44°
8
71°
48°
9
74°
46°
10
76°
47°
11
77°
46°
12
78°
47°
13
79°
48°
14
70°
42°
15
65°
45°
16
66°
44°
17
65°
41°
18
65°
45°
19
66°
40°
20
67°
44°
21
69°
46°
22
73°
48°
23
75°
49°
24
76°
49°
25
76°
48°
26
73°
48°
27
70°
46°
28
69°
46°
29
68°
46°
30
69°
47°
31
69°
46°
1
70°
45°
2
71°
46°
3
72°
50°
4
75°
51°
5
74°
48°
6
72°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cobb
Cobb's May 2026 forecast shows daily high temperatures ranging from 54° to 79°, with overnight lows between 40° and 51°. The average high for May is 70° with an average low of 46°. 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 Cobb. See also: June | July | August.