S
M
T
W
T
F
S
28
89°
67°
29
80°
65°
30
83°
66°
1
83°
65°
2
84°
65°
3
85°
71°
4
87°
71°
5
86°
70°
6
85°
71°
7
87°
71°
8
90°
72°
9
91°
72°
10
91°
73°
11
90°
72°
12
91°
73°
13
91°
72°
14
87°
71°
15
86°
72°
16
85°
72°
17
88°
71°
18
86°
72°
19
85°
72°
20
86°
71°
21
85°
72°
22
85°
72°
23
83°
71°
24
85°
70°
25
85°
70°
26
84°
71°
27
88°
67°
28
86°
66°
29
86°
68°
30
88°
70°
31
90°
71°
1
89°
66°
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 65° and 73°. The average high for July is 87° with an average low of 70°. 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.
