S
M
T
W
T
F
S
27
72°
45°
28
74°
48°
29
78°
47°
30
81°
57°
1
86°
61°
2
72°
56°
3
69°
49°
4
74°
46°
5
69°
43°
6
69°
40°
7
78°
44°
8
76°
47°
9
78°
46°
10
66°
54°
11
63°
57°
12
79°
54°
13
87°
62°
14
85°
63°
15
73°
59°
16
74°
48°
17
54°
36°
18
64°
33°
19
69°
36°
20
71°
38°
21
71°
38°
22
69°
40°
23
69°
40°
24
69°
42°
25
71°
44°
26
73°
44°
27
71°
47°
28
68°
45°
29
67°
42°
30
68°
44°
31
58°
43°
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 58° to 73°, with overnight lows between 40° and 47°. The average high for October is 68° with an average low of 43°. 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.
