S
M
T
W
T
F
S
26
60°
41°
27
62°
43°
28
62°
42°
29
60°
41°
30
61°
42°
1
59°
40°
2
56°
42°
3
55°
41°
4
53°
39°
5
54°
40°
6
53°
39°
7
53°
40°
8
54°
39°
9
53°
39°
10
54°
40°
11
56°
42°
12
55°
45°
13
60°
46°
14
60°
44°
15
58°
42°
16
56°
44°
17
57°
45°
18
57°
44°
19
56°
46°
20
56°
45°
21
57°
46°
22
57°
43°
23
58°
45°
24
57°
47°
25
57°
47°
26
58°
46°
27
58°
47°
28
57°
45°
29
57°
44°
30
58°
47°
31
58°
45°
1
62°
48°
2
63°
48°
3
62°
43°
4
61°
44°
5
63°
45°
6
62°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hamilton
Hamilton's May 2026 forecast shows daily high temperatures ranging from 53° to 63°, with overnight lows between 39° and 48°. The average high for May is 58° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Hamilton. See also: June | July | August.
