S
M
T
W
T
F
S
27
78°
53°
28
78°
56°
29
75°
53°
30
74°
63°
1
77°
58°
2
66°
47°
3
61°
47°
4
66°
47°
5
58°
42°
6
59°
46°
7
62°
49°
8
65°
48°
9
61°
46°
10
63°
49°
11
62°
48°
12
62°
48°
13
61°
42°
14
52°
40°
15
53°
46°
16
63°
47°
17
63°
48°
18
62°
48°
19
62°
45°
20
57°
43°
21
51°
41°
22
50°
44°
23
55°
46°
24
60°
45°
25
60°
44°
26
59°
37°
27
48°
37°
28
52°
38°
29
53°
41°
30
52°
41°
31
57°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Hamilton
Hamilton's October 2026 forecast shows daily high temperatures ranging from 48° to 77°, with overnight lows between 37° and 63°. The average high for October is 60° with an average low of 45°. 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 Hamilton. See also: November | December | January.
