S
M
T
W
T
F
S
28
66°
55°
29
66°
54°
30
66°
55°
1
66°
57°
2
72°
55°
3
72°
54°
4
70°
59°
5
73°
57°
6
77°
57°
7
73°
57°
8
84°
57°
9
91°
63°
10
94°
63°
11
91°
59°
12
88°
59°
13
87°
60°
14
86°
61°
15
86°
62°
16
83°
61°
17
82°
60°
18
78°
59°
19
77°
58°
20
76°
56°
21
75°
57°
22
70°
57°
23
71°
55°
24
70°
56°
25
70°
57°
26
73°
58°
27
71°
58°
28
71°
57°
29
72°
55°
30
73°
57°
31
73°
58°
1
72°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Box Hill
Box Hill's July 2026 forecast shows daily high temperatures ranging from 70° to 94°, with overnight lows between 55° and 63°. The average high for July is 78° with an average low of 58°. 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 Box Hill. See also: August | September | October.