S
M
T
W
T
F
S
27
75°
45°
28
72°
39°
29
71°
56°
30
73°
54°
1
82°
47°
2
78°
49°
3
82°
47°
4
83°
46°
5
78°
52°
6
76°
47°
7
79°
48°
8
83°
49°
9
75°
46°
10
66°
42°
11
66°
41°
12
69°
42°
13
65°
45°
14
65°
43°
15
67°
45°
16
66°
43°
17
67°
44°
18
75°
50°
19
66°
42°
20
65°
43°
21
64°
40°
22
64°
38°
23
65°
43°
24
61°
38°
25
62°
39°
26
61°
37°
27
54°
35°
28
54°
36°
29
53°
36°
30
54°
37°
31
53°
35°
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 53° to 83°, with overnight lows between 35° and 52°. The average high for October is 66° with an average low of 42°. 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.
