S
M
T
W
T
F
S
26
72°
50°
27
64°
46°
28
55°
43°
29
59°
37°
30
55°
36°
1
57°
32°
2
64°
28°
3
74°
49°
4
81°
41°
5
57°
43°
6
57°
36°
7
72°
36°
8
75°
39°
9
74°
46°
10
72°
34°
11
82°
41°
12
79°
55°
13
78°
47°
14
81°
46°
15
89°
57°
16
82°
57°
17
81°
63°
18
72°
55°
19
55°
45°
20
57°
39°
21
57°
50°
22
70°
55°
23
72°
54°
24
82°
50°
25
86°
63°
26
85°
55°
27
87°
59°
28
85°
61°
29
82°
58°
30
83°
58°
31
78°
56°
1
83°
56°
2
81°
55°
3
84°
56°
4
83°
60°
5
89°
63°
6
88°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Atlantic
Atlantic's May 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 55° and 64°. The average high for May is 84° 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 Atlantic. See also: June | July | August.