S
M
T
W
T
F
S
26
84°
64°
27
88°
66°
28
86°
65°
29
87°
65°
30
86°
64°
31
81°
64°
1
82°
63°
2
81°
64°
3
81°
63°
4
82°
63°
5
82°
62°
6
81°
63°
7
81°
62°
8
82°
61°
9
80°
64°
10
79°
64°
11
80°
63°
12
80°
63°
13
79°
60°
14
79°
60°
15
80°
60°
16
79°
57°
17
79°
58°
18
80°
59°
19
80°
59°
20
83°
62°
21
86°
56°
22
80°
55°
23
79°
54°
24
78°
56°
25
79°
59°
26
81°
62°
27
86°
61°
28
79°
62°
29
84°
62°
30
87°
55°
31
79°
53°
1
78°
55°
2
78°
59°
3
79°
54°
4
80°
61°
5
84°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Green Knoll
Green Knoll's August 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 53° and 66°. The average high for August is 81° with an average low of 61°. 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 Knoll. See also: September | October | November.