S
M
T
W
T
F
S
26
85°
65°
27
83°
65°
28
66°
59°
29
86°
64°
30
75°
64°
1
69°
53°
2
69°
44°
3
72°
45°
4
78°
48°
5
81°
57°
6
80°
60°
7
72°
47°
8
71°
46°
9
74°
51°
10
79°
58°
11
77°
57°
12
79°
59°
13
81°
56°
14
80°
56°
15
83°
61°
16
84°
61°
17
84°
60°
18
83°
62°
19
84°
62°
20
84°
61°
21
85°
62°
22
85°
63°
23
84°
63°
24
80°
62°
25
85°
63°
26
84°
64°
27
81°
64°
28
80°
63°
29
82°
63°
30
85°
64°
31
85°
63°
1
86°
64°
2
86°
65°
3
87°
66°
4
88°
66°
5
84°
64°
6
81°
61°
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 69° to 88°, with overnight lows between 44° and 66°. The average high for May is 81° with an average low of 59°. 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.
