S
M
T
W
T
F
S
26
57°
38°
27
56°
34°
28
65°
45°
29
53°
39°
30
57°
35°
1
54°
32°
2
47°
33°
3
62°
33°
4
75°
50°
5
66°
48°
6
52°
41°
7
54°
40°
8
57°
45°
9
63°
46°
10
55°
40°
11
52°
38°
12
52°
43°
13
56°
46°
14
57°
45°
15
64°
47°
16
61°
45°
17
58°
47°
18
60°
49°
19
65°
48°
20
61°
43°
21
62°
42°
22
61°
44°
23
62°
47°
24
64°
46°
25
67°
50°
26
68°
49°
27
64°
46°
28
69°
51°
29
67°
52°
30
73°
54°
31
75°
55°
1
75°
54°
2
70°
53°
3
73°
55°
4
76°
57°
5
76°
58°
6
75°
57°
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 52° to 76°, with overnight lows between 38° and 58°. The average high for May is 64° with an average low of 48°. 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.
