S
M
T
W
T
F
S
27
66°
53°
28
72°
53°
29
76°
51°
30
72°
63°
1
67°
51°
2
64°
38°
3
69°
37°
4
68°
42°
5
67°
37°
6
76°
47°
7
74°
50°
8
68°
37°
9
68°
50°
10
81°
52°
11
80°
56°
12
75°
48°
13
59°
38°
14
57°
43°
15
59°
43°
16
56°
38°
17
53°
36°
18
55°
39°
19
59°
39°
20
57°
37°
21
56°
34°
22
60°
40°
23
48°
32°
24
56°
40°
25
60°
38°
26
54°
36°
27
56°
29°
28
45°
25°
29
49°
37°
30
54°
33°
31
56°
36°
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 45° to 81°, with overnight lows between 25° and 56°. The average high for October is 59° with an average low of 39°. 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.
