S
M
T
W
T
F
S
28
80°
59°
29
92°
73°
30
91°
79°
1
89°
69°
2
82°
66°
3
82°
71°
4
82°
70°
5
82°
66°
6
85°
66°
7
86°
69°
8
87°
74°
9
80°
62°
10
83°
60°
11
86°
62°
12
88°
64°
13
91°
65°
14
92°
62°
15
91°
62°
16
88°
63°
17
90°
62°
18
88°
62°
19
90°
61°
20
87°
62°
21
86°
60°
22
81°
58°
23
78°
62°
24
87°
65°
25
86°
64°
26
87°
64°
27
86°
63°
28
84°
63°
29
84°
62°
30
82°
62°
31
77°
58°
1
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Hillsboro
Hillsboro's July 2026 forecast shows daily high temperatures ranging from 77° to 92°, with overnight lows between 58° and 65°. The average high for July is 85° with an average low of 62°. 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 Hillsboro. See also: August | September | October.
