S
M
T
W
T
F
S
27
73°
52°
28
77°
51°
29
80°
46°
30
69°
62°
1
66°
53°
2
67°
45°
3
71°
43°
4
69°
45°
5
73°
40°
6
77°
58°
7
80°
52°
8
N/A
9
78°
58°
10
83°
51°
11
78°
61°
12
82°
59°
13
69°
55°
14
65°
60°
15
70°
52°
16
59°
44°
17
57°
41°
18
59°
43°
19
62°
46°
20
62°
45°
21
61°
43°
22
60°
47°
23
54°
41°
24
61°
47°
25
65°
46°
26
62°
43°
27
62°
37°
28
51°
33°
29
52°
45°
30
56°
42°
31
62°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Port Byron
Port Byron's October 2026 forecast shows daily high temperatures ranging from 51° to 83°, with overnight lows between 33° and 61°. The average high for October is 64° with an average low of 47°. 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 Port Byron. See also: November | December | January.
