S
M
T
W
T
F
S
26
90°
66°
27
90°
64°
28
90°
64°
29
91°
66°
30
91°
68°
31
93°
72°
1
96°
73°
2
97°
74°
3
99°
73°
4
98°
73°
5
97°
75°
6
98°
75°
7
98°
75°
8
98°
75°
9
97°
72°
10
91°
71°
11
89°
70°
12
88°
71°
13
91°
70°
14
92°
63°
15
86°
62°
16
86°
65°
17
88°
63°
18
90°
65°
19
87°
64°
20
87°
62°
21
90°
64°
22
91°
64°
23
90°
65°
24
92°
65°
25
92°
64°
26
91°
66°
27
92°
66°
28
92°
65°
29
91°
64°
30
90°
65°
31
88°
65°
1
89°
63°
2
90°
63°
3
91°
64°
4
88°
64°
5
87°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Garden Valley
Garden Valley's August 2026 forecast shows daily high temperatures ranging from 86° to 99°, with overnight lows between 62° and 75°. The average high for August is 92° with an average low of 67°. 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 Garden Valley. See also: September | October | November.
