S
M
T
W
T
F
S
26
81°
61°
27
81°
61°
28
70°
57°
29
82°
63°
30
72°
57°
1
66°
52°
2
68°
52°
3
70°
43°
4
79°
43°
5
81°
50°
6
80°
60°
7
70°
49°
8
76°
55°
9
75°
61°
10
80°
58°
11
74°
44°
12
72°
51°
13
81°
55°
14
80°
56°
15
85°
62°
16
80°
60°
17
81°
62°
18
79°
59°
19
76°
57°
20
80°
61°
21
77°
60°
22
77°
61°
23
75°
61°
24
76°
60°
25
77°
61°
26
78°
62°
27
78°
62°
28
79°
61°
29
77°
62°
30
75°
61°
31
77°
63°
1
79°
63°
2
80°
64°
3
80°
64°
4
81°
65°
5
82°
65°
6
80°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Allatoona
Allatoona's May 2026 forecast shows daily high temperatures ranging from 70° to 85°, with overnight lows between 44° and 65°. The average high for May is 78° 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 Allatoona. See also: June | July | August.