S
M
T
W
T
F
S
28
66°
52°
29
64°
51°
30
65°
52°
1
63°
53°
2
63°
50°
3
64°
52°
4
62°
51°
5
64°
50°
6
67°
53°
7
63°
52°
8
65°
51°
9
62°
50°
10
62°
53°
11
63°
53°
12
63°
54°
13
64°
53°
14
63°
52°
15
64°
52°
16
62°
50°
17
62°
49°
18
64°
52°
19
63°
50°
20
63°
54°
21
64°
53°
22
64°
53°
23
62°
52°
24
62°
51°
25
63°
51°
26
63°
50°
27
64°
53°
28
63°
51°
29
63°
51°
30
64°
52°
31
66°
54°
1
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Hamilton
Hamilton's July 2026 forecast shows daily high temperatures ranging from 62° to 67°, with overnight lows between 49° and 54°. The average high for July 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 July weather will actually feel in Hamilton. See also: August | September | October.