S
M
T
W
T
F
S
26
69°
50°
27
72°
46°
28
73°
49°
29
69°
49°
30
57°
38°
1
66°
32°
2
49°
36°
3
59°
31°
4
72°
55°
5
77°
57°
6
67°
52°
7
55°
39°
8
63°
47°
9
61°
48°
10
71°
55°
11
63°
46°
12
61°
49°
13
66°
51°
14
68°
48°
15
64°
47°
16
70°
51°
17
69°
50°
18
74°
55°
19
71°
55°
20
74°
54°
21
71°
53°
22
71°
47°
23
64°
46°
24
66°
47°
25
67°
52°
26
68°
48°
27
66°
48°
28
68°
49°
29
69°
49°
30
69°
54°
31
74°
57°
1
73°
57°
2
70°
56°
3
71°
54°
4
72°
55°
5
75°
58°
6
79°
59°
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 55° to 79°, with overnight lows between 39° and 59°. The average high for May is 69° with an average low of 51°. 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.
