S
M
T
W
T
F
S
26
62°
36°
27
72°
35°
28
70°
50°
29
64°
52°
30
52°
42°
1
54°
34°
2
46°
36°
3
54°
35°
4
73°
42°
5
76°
49°
6
49°
43°
7
55°
35°
8
53°
36°
9
56°
36°
10
58°
36°
11
54°
30°
12
59°
30°
13
60°
43°
14
54°
44°
15
59°
43°
16
79°
40°
17
81°
57°
18
90°
60°
19
86°
64°
20
76°
48°
21
63°
44°
22
64°
37°
23
58°
48°
24
57°
52°
25
70°
49°
26
79°
58°
27
76°
54°
28
67°
48°
29
62°
45°
30
66°
43°
31
65°
46°
1
67°
47°
2
67°
48°
3
73°
52°
4
72°
53°
5
73°
54°
6
74°
50°
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 57° to 79°, with overnight lows between 43° and 58°. The average high for May is 69° with an average low of 50°. 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.
