S
M
T
W
T
F
S
27
71°
49°
28
76°
54°
29
75°
53°
30
77°
55°
1
74°
54°
2
74°
53°
3
69°
53°
4
67°
46°
5
67°
45°
6
Hist. Avg.
70°
45°
7
Hist. Avg.
70°
45°
8
Hist. Avg.
70°
44°
9
Hist. Avg.
69°
44°
10
Hist. Avg.
69°
44°
11
Hist. Avg.
69°
43°
12
Hist. Avg.
68°
43°
13
Hist. Avg.
68°
42°
14
Hist. Avg.
68°
42°
15
Hist. Avg.
67°
42°
16
Hist. Avg.
67°
42°
17
Hist. Avg.
67°
41°
18
Hist. Avg.
66°
41°
19
Hist. Avg.
66°
40°
20
Hist. Avg.
66°
40°
21
Hist. Avg.
65°
40°
22
Hist. Avg.
65°
40°
23
Hist. Avg.
65°
39°
24
Hist. Avg.
64°
39°
25
Hist. Avg.
64°
39°
26
Hist. Avg.
64°
38°
27
Hist. Avg.
63°
38°
28
Hist. Avg.
63°
38°
29
Hist. Avg.
63°
38°
30
Hist. Avg.
62°
37°
31
Hist. Avg.
62°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Hamilton
Hamilton's October 2026 forecast shows daily high temperatures ranging from 67° to 77°, with overnight lows between 45° and 55°. The average high for October is 72° 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 Hamilton. See also: November | December | January.