S
M
T
W
T
F
S
28
78°
50°
29
73°
49°
30
80°
51°
1
82°
54°
2
80°
54°
3
72°
50°
4
72°
51°
5
73°
49°
6
74°
51°
7
72°
49°
8
74°
51°
9
75°
48°
10
81°
48°
11
81°
53°
12
83°
51°
13
85°
49°
14
80°
47°
15
81°
54°
16
86°
57°
17
88°
54°
18
88°
49°
19
87°
48°
20
85°
48°
21
81°
54°
22
87°
53°
23
88°
52°
24
87°
50°
25
80°
49°
26
78°
51°
27
79°
50°
28
80°
51°
29
82°
49°
30
81°
50°
31
81°
50°
1
83°
51°
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 72° to 88°, with overnight lows between 47° and 57°. The average high for July is 80° with an average low of 51°. 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.
