S
M
T
W
T
F
S
26
103°
78°
27
103°
79°
28
103°
81°
29
103°
82°
30
103°
82°
31
103°
83°
1
107°
83°
2
107°
74°
3
101°
77°
4
101°
83°
5
102°
84°
6
102°
82°
7
102°
80°
8
101°
80°
9
101°
79°
10
100°
80°
11
104°
79°
12
106°
80°
13
103°
80°
14
101°
78°
15
103°
77°
16
100°
78°
17
103°
77°
18
102°
78°
19
101°
77°
20
103°
78°
21
102°
78°
22
101°
76°
23
102°
78°
24
100°
75°
25
99°
76°
26
100°
75°
27
99°
76°
28
99°
76°
29
98°
76°
30
99°
76°
31
99°
75°
1
98°
76°
2
98°
76°
3
97°
75°
4
98°
76°
5
96°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Valle Hermoso
Valle Hermoso's August 2026 forecast shows daily high temperatures ranging from 96° to 106°, with overnight lows between 75° and 80°. The average high for August is 100° with an average low of 77°. 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 Hermoso. See also: September | October | November.