S
M
T
W
T
F
S
27
75°
60°
28
80°
52°
29
83°
49°
30
91°
64°
1
89°
67°
2
75°
49°
3
74°
46°
4
82°
44°
5
76°
44°
6
80°
42°
7
89°
48°
8
84°
47°
9
89°
47°
10
80°
49°
11
87°
47°
12
92°
56°
13
93°
61°
14
78°
65°
15
82°
56°
16
57°
49°
17
59°
37°
18
67°
35°
19
71°
36°
20
73°
41°
21
76°
41°
22
77°
42°
23
76°
42°
24
76°
43°
25
80°
50°
26
76°
49°
27
74°
49°
28
81°
50°
29
85°
55°
30
80°
57°
31
72°
56°
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 72° to 85°, with overnight lows between 49° and 57°. The average high for October is 78° 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.
