S
M
T
W
T
F
S
28
84°
69°
29
90°
67°
30
90°
72°
1
92°
69°
2
91°
71°
3
93°
71°
4
91°
70°
5
82°
68°
6
82°
69°
7
84°
65°
8
84°
66°
9
86°
69°
10
82°
66°
11
83°
65°
12
82°
63°
13
81°
62°
14
82°
62°
15
85°
63°
16
84°
65°
17
85°
62°
18
81°
60°
19
83°
65°
20
82°
59°
21
80°
59°
22
80°
60°
23
81°
59°
24
82°
63°
25
83°
63°
26
80°
64°
27
83°
65°
28
86°
65°
29
86°
64°
30
85°
66°
31
86°
65°
1
83°
65°
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 80° to 91°, with overnight lows between 59° and 70°. The average high for July is 83° 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 Hillsboro. See also: August | September | October.
