S
M
T
W
T
F
S
26
60°
46°
27
70°
45°
28
60°
49°
29
62°
53°
30
70°
51°
1
66°
45°
2
59°
41°
3
60°
43°
4
74°
54°
5
83°
57°
6
71°
53°
7
62°
41°
8
60°
42°
9
64°
49°
10
68°
50°
11
68°
51°
12
69°
54°
13
70°
53°
14
71°
51°
15
68°
53°
16
69°
51°
17
68°
54°
18
69°
57°
19
78°
57°
20
77°
56°
21
75°
58°
22
78°
58°
23
79°
57°
24
79°
58°
25
74°
55°
26
72°
58°
27
72°
59°
28
80°
60°
29
78°
59°
30
79°
58°
31
77°
59°
1
75°
54°
2
72°
53°
3
72°
52°
4
73°
52°
5
73°
53°
6
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Phoenix
Phoenix's May 2026 forecast shows daily high temperatures ranging from 59° to 83°, with overnight lows between 41° and 60°. The average high for May is 72° with an average low of 53°. 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 Phoenix. See also: June | July | August.
