S
M
T
W
T
F
S
26
65°
46°
27
67°
45°
28
60°
46°
29
55°
42°
30
55°
39°
1
48°
34°
2
49°
28°
3
62°
34°
4
75°
46°
5
57°
43°
6
54°
41°
7
56°
38°
8
63°
40°
9
71°
48°
10
61°
39°
11
64°
36°
12
66°
36°
13
58°
43°
14
64°
41°
15
69°
40°
16
82°
52°
17
84°
59°
18
84°
62°
19
85°
54°
20
62°
42°
21
64°
45°
22
60°
54°
23
68°
55°
24
71°
55°
25
75°
57°
26
77°
59°
27
78°
58°
28
78°
58°
29
78°
57°
30
78°
60°
31
79°
59°
1
77°
54°
2
77°
58°
3
70°
56°
4
70°
54°
5
71°
56°
6
74°
60°
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 60° to 85°, with overnight lows between 42° and 60°. The average high for May is 73° with an average low of 55°. 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.
