S
M
T
W
T
F
S
27
78°
53°
28
78°
56°
29
72°
56°
30
74°
63°
1
71°
57°
2
66°
47°
3
61°
50°
4
66°
47°
5
58°
42°
6
59°
44°
7
66°
49°
8
65°
51°
9
63°
46°
10
59°
47°
11
58°
49°
12
62°
44°
13
55°
40°
14
52°
40°
15
53°
46°
16
58°
48°
17
61°
48°
18
62°
47°
19
62°
46°
20
56°
46°
21
61°
39°
22
49°
37°
23
48°
41°
24
55°
46°
25
60°
45°
26
60°
38°
27
47°
35°
28
47°
40°
29
58°
46°
30
58°
46°
31
57°
45°
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 47° to 74°, with overnight lows between 35° and 63°. The average high for October is 59° with an average low of 46°. 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.
