S
M
T
W
T
F
S
26
84°
63°
27
84°
64°
28
85°
63°
29
84°
62°
30
82°
61°
31
80°
61°
1
78°
62°
2
85°
64°
3
84°
63°
4
82°
62°
5
82°
61°
6
80°
62°
7
82°
59°
8
83°
53°
9
76°
50°
10
74°
56°
11
77°
52°
12
74°
50°
13
74°
51°
14
75°
57°
15
76°
57°
16
74°
51°
17
74°
51°
18
78°
54°
19
80°
57°
20
81°
57°
21
81°
56°
22
80°
56°
23
77°
53°
24
80°
57°
25
75°
59°
26
78°
53°
27
79°
49°
28
71°
48°
29
72°
48°
30
71°
47°
31
70°
48°
1
69°
49°
2
69°
47°
3
71°
49°
4
76°
52°
5
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Garrison
Garrison's August 2026 forecast shows daily high temperatures ranging from 69° to 85°, with overnight lows between 47° and 64°. The average high for August is 78° with an average low of 55°. 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 Garrison. See also: September | October | November.
