S
M
T
W
T
F
S
28
81°
62°
29
82°
66°
30
85°
68°
1
87°
69°
2
86°
66°
3
82°
65°
4
80°
64°
5
78°
64°
6
79°
63°
7
80°
61°
8
77°
62°
9
79°
63°
10
77°
64°
11
79°
64°
12
83°
63°
13
82°
64°
14
83°
64°
15
83°
65°
16
84°
65°
17
84°
66°
18
83°
66°
19
83°
65°
20
80°
65°
21
80°
64°
22
81°
65°
23
84°
66°
24
84°
64°
25
79°
62°
26
80°
65°
27
84°
66°
28
82°
66°
29
83°
65°
30
81°
62°
31
76°
60°
1
77°
64°
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 76° to 87°, with overnight lows between 60° and 69°. The average high for July is 81° with an average low of 64°. 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.