S
M
T
W
T
F
S
26
111°
92°
27
110°
91°
28
110°
90°
29
109°
89°
30
111°
85°
31
113°
85°
1
115°
87°
2
113°
92°
3
113°
91°
4
112°
91°
5
113°
91°
6
108°
89°
7
109°
90°
8
113°
90°
9
110°
90°
10
104°
90°
11
101°
88°
12
101°
79°
13
91°
75°
14
97°
76°
15
96°
80°
16
99°
84°
17
104°
85°
18
107°
86°
19
109°
87°
20
109°
87°
21
104°
84°
22
107°
86°
23
106°
81°
24
105°
81°
25
106°
82°
26
104°
79°
27
102°
80°
28
97°
78°
29
96°
75°
30
93°
74°
31
93°
73°
1
94°
73°
2
93°
72°
3
93°
73°
4
94°
73°
5
95°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Spring Valley
Spring Valley's August 2026 forecast shows daily high temperatures ranging from 93° to 109°, with overnight lows between 72° and 87°. The average high for August is 100° with an average low of 79°. 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 Spring Valley. See also: September | October | November.
