S
M
T
W
T
F
S
27
80°
50°
28
75°
42°
29
77°
46°
30
70°
47°
1
78°
46°
2
73°
48°
3
78°
45°
4
63°
44°
5
72°
44°
6
74°
43°
7
61°
42°
8
65°
43°
9
73°
43°
10
73°
42°
11
74°
43°
12
74°
42°
13
66°
41°
14
57°
40°
15
68°
34°
16
56°
34°
17
56°
37°
18
56°
38°
19
59°
38°
20
64°
36°
21
63°
36°
22
66°
38°
23
66°
38°
24
67°
37°
25
66°
36°
26
64°
33°
27
65°
31°
28
66°
24°
29
53°
26°
30
51°
23°
31
50°
19°
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 50° to 80°, with overnight lows between 19° and 50°. The average high for October is 66° 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 Sidney. See also: November | December | January.
