S
M
T
W
T
F
S
26
103°
69°
27
100°
69°
28
98°
63°
29
101°
62°
30
101°
61°
31
108°
63°
1
108°
69°
2
108°
68°
3
103°
65°
4
105°
71°
5
103°
71°
6
104°
75°
7
106°
76°
8
108°
75°
9
104°
70°
10
97°
67°
11
96°
66°
12
94°
65°
13
93°
64°
14
93°
66°
15
95°
65°
16
98°
65°
17
97°
64°
18
94°
66°
19
94°
67°
20
95°
66°
21
97°
66°
22
98°
67°
23
98°
68°
24
99°
68°
25
98°
67°
26
98°
67°
27
97°
66°
28
98°
68°
29
96°
68°
30
95°
67°
31
95°
67°
1
96°
66°
2
97°
67°
3
94°
67°
4
91°
66°
5
90°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Valle Vista
Valle Vista's August 2026 forecast shows daily high temperatures ranging from 90° to 108°, with overnight lows between 64° and 76°. The average high for August is 97° with an average low of 68°. 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 Valle Vista. See also: September | October | November.
