S
M
T
W
T
F
S
26
96°
71°
27
95°
71°
28
95°
72°
29
97°
72°
30
98°
70°
31
100°
73°
1
99°
73°
2
100°
72°
3
103°
74°
4
103°
74°
5
100°
72°
6
101°
73°
7
103°
72°
8
102°
69°
9
102°
70°
10
101°
71°
11
102°
70°
12
101°
70°
13
102°
71°
14
101°
69°
15
96°
68°
16
95°
67°
17
95°
66°
18
96°
65°
19
95°
65°
20
95°
66°
21
96°
66°
22
99°
65°
23
98°
66°
24
99°
67°
25
100°
66°
26
99°
65°
27
100°
68°
28
99°
67°
29
97°
66°
30
97°
67°
31
95°
67°
1
94°
66°
2
96°
68°
3
98°
68°
4
97°
67°
5
96°
68°
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 103°, with overnight lows between 65° and 74°. The average high for August is 98° 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 August weather will actually feel in Oro Valley. See also: September | October | November.
