S
M
T
W
T
F
S
26
79°
57°
27
72°
56°
28
66°
55°
29
80°
60°
30
71°
57°
1
N/A
2
67°
43°
3
68°
44°
4
77°
51°
5
79°
56°
6
80°
59°
7
71°
43°
8
70°
46°
9
75°
50°
10
77°
58°
11
78°
56°
12
81°
58°
13
80°
57°
14
79°
55°
15
81°
60°
16
82°
59°
17
82°
60°
18
81°
60°
19
81°
59°
20
82°
61°
21
82°
61°
22
83°
60°
23
82°
61°
24
79°
61°
25
82°
62°
26
81°
63°
27
78°
62°
28
77°
61°
29
80°
61°
30
83°
60°
31
81°
62°
1
84°
63°
2
84°
64°
3
83°
64°
4
85°
63°
5
79°
60°
6
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Cumming
Cumming's May 2026 forecast shows daily high temperatures ranging from 67° to 85°, with overnight lows between 43° and 64°. The average high for May is 79° with an average low of 58°. 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 Cumming. See also: June | July | August.