S
M
T
W
T
F
S
27
92°
63°
28
93°
68°
29
93°
67°
30
93°
73°
1
93°
73°
2
85°
73°
3
81°
72°
4
74°
69°
5
87°
68°
6
89°
61°
7
91°
62°
8
92°
64°
9
92°
57°
10
87°
60°
11
89°
58°
12
90°
61°
13
93°
77°
14
91°
72°
15
90°
62°
16
73°
67°
17
70°
48°
18
74°
41°
19
79°
42°
20
80°
42°
21
82°
44°
22
85°
46°
23
87°
46°
24
85°
48°
25
81°
50°
26
82°
47°
27
79°
49°
28
84°
54°
29
82°
55°
30
79°
61°
31
75°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Garrison
Garrison's October 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for October is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Garrison. See also: November | December | January.