S
M
T
W
T
F
S
26
52°
35°
27
62°
38°
28
53°
46°
29
54°
46°
30
52°
40°
1
44°
34°
2
44°
34°
3
48°
29°
4
60°
40°
5
62°
42°
6
47°
39°
7
47°
38°
8
47°
33°
9
53°
36°
10
54°
41°
11
48°
38°
12
49°
34°
13
52°
42°
14
51°
42°
15
58°
44°
16
59°
40°
17
68°
47°
18
66°
50°
19
69°
50°
20
65°
49°
21
52°
40°
22
60°
39°
23
60°
46°
24
56°
53°
25
65°
49°
26
67°
54°
27
68°
51°
28
62°
50°
29
62°
48°
30
60°
49°
31
64°
52°
1
65°
50°
2
65°
53°
3
65°
55°
4
68°
54°
5
66°
55°
6
67°
51°
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 56° to 68°, with overnight lows between 48° and 55°. The average high for May is 64° with an average low of 52°. 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.
