S
M
T
W
T
F
S
28
74°
55°
29
74°
55°
30
73°
55°
1
71°
55°
2
71°
56°
3
70°
55°
4
69°
54°
5
70°
56°
6
68°
56°
7
62°
55°
8
65°
54°
9
69°
55°
10
66°
55°
11
74°
58°
12
76°
59°
13
81°
59°
14
80°
57°
15
75°
56°
16
69°
55°
17
69°
56°
18
71°
58°
19
74°
56°
20
72°
57°
21
74°
56°
22
73°
57°
23
74°
56°
24
73°
55°
25
70°
55°
26
72°
56°
27
75°
58°
28
71°
57°
29
70°
56°
30
69°
54°
31
71°
54°
1
70°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Hillsborough
Hillsborough's July 2026 forecast shows daily high temperatures ranging from 69° to 81°, with overnight lows between 54° and 59°. The average high for July is 73° with an average low of 56°. 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 Hillsborough. See also: August | September | October.