S
M
T
W
T
F
S
26
89°
70°
27
88°
69°
28
87°
65°
29
86°
66°
30
89°
66°
31
94°
65°
1
95°
67°
2
92°
70°
3
96°
64°
4
84°
68°
5
75°
68°
6
71°
70°
7
90°
66°
8
86°
68°
9
83°
69°
10
82°
68°
11
81°
67°
12
84°
66°
13
83°
67°
14
82°
66°
15
84°
67°
16
85°
66°
17
85°
67°
18
84°
65°
19
82°
66°
20
83°
65°
21
83°
66°
22
85°
66°
23
85°
67°
24
86°
67°
25
86°
66°
26
85°
66°
27
85°
67°
28
86°
66°
29
84°
66°
30
85°
67°
31
86°
67°
1
85°
66°
2
86°
66°
3
82°
65°
4
81°
66°
5
81°
65°
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 81° to 90°, with overnight lows between 65° and 69°. The average high for August is 84° with an average low of 66°. 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.
