S
M
T
W
T
F
S
26
80°
63°
27
85°
55°
28
87°
57°
29
85°
62°
30
92°
63°
1
87°
60°
2
91°
62°
3
94°
73°
4
84°
60°
5
79°
59°
6
82°
55°
7
91°
57°
8
95°
61°
9
100°
66°
10
102°
68°
11
106°
68°
12
104°
73°
13
101°
73°
14
98°
69°
15
95°
65°
16
97°
64°
17
94°
64°
18
90°
68°
19
N/A
20
90°
62°
21
91°
64°
22
91°
64°
23
93°
64°
24
93°
60°
25
94°
57°
26
93°
56°
27
94°
54°
28
98°
59°
29
101°
58°
30
103°
60°
31
100°
59°
1
101°
59°
2
99°
58°
3
95°
58°
4
96°
59°
5
93°
59°
6
97°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Oro Valley
Oro Valley's May 2026 forecast shows daily high temperatures ranging from 90° to 103°, with overnight lows between 54° and 64°. The average high for May is 96° with an average low of 60°. 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 Oro Valley. See also: June | July | August.
