S
M
T
W
T
F
S
26
68°
50°
27
77°
43°
28
76°
59°
29
66°
46°
30
60°
40°
1
56°
37°
2
56°
34°
3
63°
30°
4
76°
44°
5
69°
48°
6
60°
41°
7
59°
38°
8
66°
49°
9
71°
50°
10
67°
51°
11
63°
42°
12
64°
44°
13
71°
51°
14
71°
50°
15
70°
51°
16
74°
54°
17
76°
52°
18
75°
57°
19
76°
57°
20
78°
53°
21
75°
50°
22
71°
48°
23
69°
48°
24
71°
51°
25
70°
51°
26
70°
50°
27
71°
50°
28
72°
51°
29
73°
52°
30
74°
56°
31
78°
59°
1
74°
56°
2
75°
54°
3
77°
58°
4
77°
58°
5
79°
61°
6
83°
63°
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 59° to 83°, with overnight lows between 38° and 63°. The average high for May is 72° 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.
