S
M
T
W
T
F
S
26
87°
57°
27
87°
55°
28
90°
56°
29
91°
58°
30
87°
54°
1
84°
57°
2
89°
59°
3
91°
60°
4
91°
61°
5
90°
61°
6
90°
62°
7
88°
61°
8
89°
60°
9
88°
61°
10
89°
62°
11
92°
63°
12
94°
63°
13
93°
62°
14
94°
63°
15
94°
64°
16
92°
63°
17
93°
61°
18
92°
61°
19
93°
62°
20
90°
59°
21
88°
59°
22
86°
57°
23
88°
61°
24
90°
63°
25
90°
60°
26
91°
61°
27
92°
63°
28
99°
67°
29
96°
64°
30
95°
61°
31
95°
63°
1
97°
68°
2
94°
64°
3
95°
61°
4
92°
63°
5
94°
64°
6
94°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Old Tucson Estates
Old Tucson Estates's May 2026 forecast shows daily high temperatures ranging from 84° to 99°, with overnight lows between 54° and 68°. The average high for May is 91° with an average low of 61°. 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 Old Tucson Estates. See also: June | July | August.