S
M
T
W
T
F
S
26
85°
64°
27
83°
59°
28
82°
59°
29
83°
62°
30
84°
61°
31
83°
60°
1
86°
65°
2
87°
59°
3
85°
60°
4
81°
59°
5
82°
62°
6
83°
62°
7
83°
59°
8
84°
59°
9
84°
64°
10
88°
64°
11
86°
63°
12
85°
64°
13
86°
64°
14
87°
63°
15
89°
62°
16
88°
58°
17
82°
58°
18
83°
63°
19
86°
57°
20
82°
56°
21
80°
56°
22
81°
57°
23
87°
60°
24
88°
62°
25
87°
61°
26
87°
56°
27
81°
55°
28
80°
55°
29
80°
57°
30
82°
59°
31
82°
61°
1
86°
60°
2
85°
58°
3
80°
59°
4
85°
60°
5
83°
59°
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 80° to 89°, with overnight lows between 55° and 65°. The average high for August is 84° with an average low of 60°. 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.
