S
M
T
W
T
F
S
26
83°
63°
27
85°
64°
28
83°
65°
29
80°
64°
30
82°
64°
31
88°
65°
1
91°
71°
2
82°
70°
3
82°
67°
4
84°
64°
5
86°
66°
6
87°
65°
7
86°
66°
8
89°
66°
9
90°
65°
10
88°
66°
11
88°
65°
12
89°
62°
13
82°
66°
14
87°
65°
15
84°
60°
16
80°
59°
17
81°
64°
18
86°
62°
19
81°
60°
20
80°
60°
21
84°
64°
22
86°
63°
23
84°
60°
24
79°
59°
25
79°
58°
26
80°
57°
27
79°
58°
28
82°
61°
29
83°
62°
30
85°
63°
31
85°
64°
1
84°
64°
2
83°
63°
3
77°
60°
4
77°
56°
5
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Emerald Valley
Emerald Valley's August 2026 forecast shows daily high temperatures ranging from 76° to 91°, with overnight lows between 55° and 71°. The average high for August is 84° with an average low of 63°. 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 Emerald Valley. See also: September | October | November.