S
M
T
W
T
F
S
27
64°
41°
28
73°
48°
29
77°
39°
30
68°
41°
1
65°
30°
2
76°
38°
3
69°
39°
4
75°
31°
5
84°
45°
6
74°
42°
7
72°
37°
8
77°
38°
9
80°
34°
10
68°
45°
11
47°
39°
12
44°
36°
13
53°
33°
14
61°
29°
15
48°
31°
16
61°
23°
17
75°
34°
18
62°
33°
19
69°
28°
20
68°
32°
21
70°
29°
22
78°
37°
23
81°
34°
24
51°
23°
25
49°
29°
26
45°
31°
27
48°
35°
28
46°
30°
29
47°
27°
30
51°
32°
31
56°
37°
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 45° to 81°, with overnight lows between 23° and 37°. The average high for October is 53° with an average low of 31°. 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.
