S
M
T
W
T
F
S
26
88°
67°
27
91°
67°
28
87°
66°
29
90°
69°
30
91°
68°
1
92°
69°
2
93°
69°
3
94°
70°
4
93°
67°
5
86°
65°
6
85°
65°
7
92°
70°
8
91°
69°
9
90°
68°
10
93°
70°
11
96°
72°
12
97°
73°
13
97°
73°
14
96°
72°
15
97°
73°
16
95°
73°
17
92°
74°
18
93°
67°
19
94°
67°
20
94°
65°
21
93°
67°
22
90°
65°
23
94°
66°
24
94°
65°
25
93°
65°
26
93°
66°
27
94°
67°
28
93°
67°
29
96°
69°
30
99°
70°
31
102°
70°
1
102°
69°
2
99°
71°
3
101°
76°
4
101°
73°
5
98°
73°
6
101°
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 85° to 102°, with overnight lows between 65° and 76°. The average high for May is 94° with an average low of 69°. 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.
