S
M
T
W
T
F
S
26
79°
51°
27
79°
50°
28
74°
51°
29
75°
50°
30
78°
52°
31
79°
52°
1
78°
51°
2
73°
52°
3
72°
51°
4
74°
52°
5
77°
52°
6
73°
51°
7
73°
49°
8
75°
50°
9
76°
49°
10
79°
52°
11
80°
46°
12
79°
45°
13
72°
49°
14
79°
51°
15
80°
50°
16
81°
50°
17
80°
43°
18
78°
43°
19
70°
44°
20
72°
46°
21
74°
48°
22
78°
46°
23
73°
49°
24
75°
49°
25
76°
48°
26
70°
47°
27
70°
46°
28
71°
48°
29
76°
49°
30
76°
47°
31
75°
44°
1
70°
44°
2
67°
45°
3
68°
44°
4
69°
43°
5
67°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Green Mountain Falls
Green Mountain Falls's August 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 41° and 52°. The average high for August is 75° with an average low of 48°. 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 Mountain Falls. See also: September | October | November.