S
M
T
W
T
F
S
26
105°
83°
27
105°
85°
28
103°
80°
29
108°
83°
30
109°
85°
31
109°
84°
1
111°
86°
2
109°
87°
3
107°
81°
4
105°
79°
5
104°
72°
6
103°
72°
7
107°
82°
8
109°
83°
9
110°
82°
10
105°
78°
11
100°
79°
12
96°
77°
13
95°
70°
14
98°
76°
15
103°
76°
16
104°
77°
17
109°
78°
18
107°
84°
19
105°
74°
20
103°
76°
21
108°
77°
22
110°
76°
23
119°
82°
24
102°
74°
25
109°
78°
26
111°
80°
27
109°
81°
28
107°
80°
29
103°
80°
30
98°
70°
31
94°
68°
1
104°
72°
2
103°
71°
3
102°
70°
4
101°
68°
5
99°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Oro Valley
Oro Valley's August 2026 forecast shows daily high temperatures ranging from 94° to 111°, with overnight lows between 68° and 81°. The average high for August is 103° with an average low of 74°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Oro Valley. See also: September | October | November.
