S
M
T
W
T
F
S
26
92°
68°
27
95°
70°
28
96°
71°
29
96°
72°
30
97°
73°
31
96°
72°
1
96°
72°
2
95°
71°
3
96°
72°
4
96°
71°
5
95°
72°
6
96°
71°
7
92°
65°
8
94°
67°
9
94°
66°
10
93°
68°
11
95°
71°
12
94°
71°
13
94°
70°
14
90°
70°
15
87°
68°
16
87°
64°
17
88°
68°
18
89°
67°
19
91°
69°
20
91°
67°
21
96°
67°
22
95°
66°
23
94°
67°
24
93°
68°
25
91°
64°
26
87°
63°
27
84°
61°
28
84°
65°
29
87°
64°
30
83°
61°
31
83°
63°
1
84°
65°
2
84°
62°
3
86°
58°
4
81°
57°
5
80°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Green Valley
Green Valley's August 2026 forecast shows daily high temperatures ranging from 80° to 97°, with overnight lows between 56° and 73°. The average high for August is 91° 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 Green Valley. See also: September | October | November.
