S
M
T
W
T
F
S
26
69°
50°
27
65°
44°
28
56°
40°
29
54°
38°
30
51°
36°
1
51°
36°
2
61°
44°
3
68°
48°
4
66°
36°
5
51°
32°
6
50°
36°
7
52°
36°
8
58°
41°
9
64°
42°
10
61°
44°
11
63°
44°
12
68°
48°
13
67°
48°
14
62°
46°
15
66°
44°
16
68°
50°
17
70°
49°
18
68°
50°
19
70°
48°
20
67°
47°
21
64°
42°
22
61°
41°
23
63°
43°
24
63°
42°
25
64°
43°
26
63°
44°
27
63°
44°
28
64°
45°
29
66°
53°
30
65°
50°
31
66°
48°
1
70°
52°
2
73°
55°
3
75°
56°
4
76°
57°
5
77°
58°
6
76°
58°
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 50° to 77°, with overnight lows between 32° and 58°. The average high for May is 65° 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 May weather will actually feel in Hamilton. See also: June | July | August.
