S
M
T
W
T
F
S
26
71°
49°
27
71°
48°
28
70°
49°
29
68°
49°
30
63°
48°
1
65°
50°
2
68°
47°
3
67°
46°
4
71°
51°
5
73°
52°
6
73°
53°
7
74°
54°
8
74°
54°
9
73°
53°
10
65°
48°
11
65°
53°
12
69°
54°
13
75°
53°
14
74°
52°
15
70°
51°
16
74°
54°
17
77°
55°
18
75°
50°
19
72°
50°
20
72°
49°
21
71°
52°
22
70°
53°
23
71°
58°
24
73°
58°
25
74°
60°
26
80°
60°
27
81°
61°
28
81°
61°
29
82°
58°
30
80°
51°
31
74°
54°
1
76°
55°
2
78°
61°
3
82°
59°
4
83°
54°
5
84°
52°
6
75°
52°
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 63° to 84°, with overnight lows between 46° and 61°. The average high for May is 73° with an average low of 53°. 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.
