S
M
T
W
T
F
S
26
50°
27°
27
53°
26°
28
56°
36°
29
62°
36°
30
65°
31°
1
72°
31°
2
74°
37°
3
77°
39°
4
68°
41°
5
63°
38°
6
69°
31°
7
73°
45°
8
71°
40°
9
72°
37°
10
79°
38°
11
76°
46°
12
82°
37°
13
69°
46°
14
67°
44°
15
65°
41°
16
52°
32°
17
52°
35°
18
56°
36°
19
66°
38°
20
70°
40°
21
76°
45°
22
80°
44°
23
72°
43°
24
73°
44°
25
76°
44°
26
78°
47°
27
79°
48°
28
61°
36°
29
62°
38°
30
62°
40°
31
63°
40°
1
68°
43°
2
67°
40°
3
66°
44°
4
63°
39°
5
61°
38°
6
62°
37°
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 80°, with overnight lows between 32° and 48°. The average high for May is 67° with an average low of 41°. 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.
