S
M
T
W
T
F
S
27
82°
63°
28
85°
59°
29
89°
59°
30
91°
66°
1
86°
69°
2
70°
65°
3
75°
63°
4
85°
59°
5
82°
53°
6
82°
55°
7
88°
58°
8
85°
56°
9
84°
55°
10
87°
59°
11
86°
59°
12
83°
58°
13
79°
59°
14
75°
56°
15
74°
55°
16
71°
47°
17
63°
46°
18
67°
45°
19
69°
48°
20
62°
52°
21
63°
48°
22
63°
44°
23
69°
48°
24
66°
42°
25
61°
48°
26
71°
47°
27
66°
49°
28
67°
50°
29
70°
51°
30
70°
52°
31
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Harrison
Harrison's October 2026 forecast shows daily high temperatures ranging from 61° to 88°, with overnight lows between 42° and 59°. The average high for October is 73° with an average low of 51°. 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 Harrison. See also: November | December | January.
