S
M
T
W
T
F
S
26
79°
59°
27
85°
62°
28
90°
66°
29
88°
67°
30
90°
69°
1
95°
72°
2
97°
72°
3
94°
69°
4
90°
67°
5
92°
65°
6
91°
66°
7
87°
64°
8
89°
66°
9
88°
65°
10
86°
62°
11
85°
62°
12
86°
63°
13
87°
69°
14
88°
67°
15
91°
70°
16
91°
66°
17
88°
67°
18
87°
64°
19
88°
67°
20
90°
73°
21
91°
74°
22
94°
74°
23
95°
73°
24
94°
73°
25
92°
71°
26
92°
70°
27
96°
75°
28
100°
76°
29
102°
77°
30
102°
77°
31
101°
76°
1
98°
74°
2
97°
74°
3
97°
76°
4
100°
75°
5
101°
73°
6
104°
72°
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 79° to 104°, with overnight lows between 59° and 77°. The average high for May is 92° with an average low of 70°. 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.
