S
M
T
W
T
F
S
26
86°
67°
27
90°
69°
28
82°
64°
29
67°
58°
30
68°
55°
1
68°
54°
2
76°
47°
3
83°
49°
4
80°
55°
5
84°
57°
6
58°
54°
7
77°
53°
8
81°
54°
9
90°
65°
10
75°
61°
11
77°
59°
12
82°
52°
13
88°
58°
14
86°
64°
15
86°
67°
16
87°
70°
17
88°
73°
18
80°
78°
19
79°
63°
20
79°
62°
21
76°
67°
22
87°
70°
23
84°
64°
24
85°
67°
25
87°
66°
26
84°
68°
27
77°
66°
28
80°
65°
29
83°
66°
30
84°
69°
31
80°
67°
1
78°
64°
2
80°
65°
3
80°
63°
4
84°
65°
5
85°
66°
6
86°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Atlas
Atlas's May 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 63° and 69°. The average high for May is 82° with an average low of 66°. 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 Atlas. See also: June | July | August.