S
M
T
W
T
F
S
27
78°
55°
28
78°
55°
29
76°
54°
30
77°
55°
1
75°
54°
2
76°
53°
3
76°
52°
4
77°
52°
5
69°
51°
6
68°
53°
7
73°
50°
8
72°
42°
9
62°
39°
10
62°
47°
11
70°
49°
12
72°
50°
13
71°
49°
14
72°
49°
15
71°
50°
16
71°
47°
17
61°
44°
18
59°
46°
19
58°
46°
20
67°
47°
21
65°
39°
22
56°
34°
23
54°
34°
24
57°
41°
25
62°
43°
26
59°
32°
27
55°
32°
28
57°
38°
29
63°
41°
30
65°
43°
31
66°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sidney
Sidney's October 2026 forecast shows daily high temperatures ranging from 54° to 78°, with overnight lows between 32° and 55°. The average high for October is 67° with an average low of 46°. 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 Sidney. See also: November | December | January.
