S
M
T
W
T
F
S
26
75°
62°
27
75°
63°
28
76°
63°
29
77°
62°
30
76°
63°
1
76°
64°
2
77°
63°
3
75°
63°
4
76°
62°
5
74°
63°
6
77°
64°
7
77°
64°
8
76°
63°
9
78°
64°
10
77°
64°
11
78°
65°
12
78°
65°
13
79°
64°
14
78°
66°
15
75°
61°
16
75°
62°
17
75°
63°
18
74°
64°
19
75°
64°
20
76°
65°
21
76°
65°
22
77°
66°
23
76°
65°
24
76°
64°
25
77°
66°
26
77°
66°
27
76°
67°
28
77°
66°
29
77°
65°
30
78°
67°
31
77°
67°
1
77°
68°
2
79°
68°
3
79°
67°
4
80°
68°
5
78°
69°
6
78°
68°
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 74° to 80°, with overnight lows between 61° and 69°. The average high for May is 77° with an average low of 65°. 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.
