S
M
T
W
T
F
S
27
76°
55°
28
82°
49°
29
84°
53°
30
90°
67°
1
88°
66°
2
72°
54°
3
73°
46°
4
82°
45°
5
75°
45°
6
78°
46°
7
87°
53°
8
86°
46°
9
86°
49°
10
82°
55°
11
83°
47°
12
91°
64°
13
90°
65°
14
80°
67°
15
75°
55°
16
55°
48°
17
58°
37°
18
64°
36°
19
71°
38°
20
74°
42°
21
76°
42°
22
78°
41°
23
75°
47°
24
73°
46°
25
77°
49°
26
77°
48°
27
71°
52°
28
77°
50°
29
80°
52°
30
80°
54°
31
72°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Hillsboro
Hillsboro's October 2026 forecast shows daily high temperatures ranging from 71° to 80°, with overnight lows between 48° and 57°. The average high for October is 76° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Hillsboro. See also: November | December | January.
