S
M
T
W
T
F
S
26
79°
66°
27
81°
58°
28
86°
62°
29
87°
64°
30
83°
63°
1
90°
67°
2
93°
68°
3
97°
65°
4
94°
64°
5
88°
59°
6
84°
60°
7
95°
65°
8
96°
66°
9
95°
64°
10
93°
59°
11
96°
64°
12
96°
64°
13
95°
65°
14
97°
65°
15
97°
66°
16
98°
66°
17
98°
65°
18
97°
66°
19
96°
66°
20
93°
65°
21
90°
60°
22
88°
58°
23
89°
64°
24
92°
65°
25
94°
66°
26
95°
68°
27
97°
69°
28
98°
69°
29
100°
68°
30
100°
69°
31
98°
69°
1
98°
68°
2
99°
69°
3
99°
69°
4
98°
66°
5
95°
67°
6
96°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tempe
Tempe's May 2026 forecast shows daily high temperatures ranging from 81° to 100°, with overnight lows between 58° and 69°. The average high for May is 94° with an average low of 65°. 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 Tempe. See also: June | July | August.
