S
M
T
W
T
F
S
27
53°
42°
28
53°
45°
29
50°
43°
30
50°
42°
1
51°
41°
2
50°
41°
3
49°
46°
4
52°
43°
5
55°
41°
6
51°
42°
7
48°
44°
8
50°
45°
9
51°
44°
10
54°
43°
11
51°
39°
12
49°
38°
13
48°
39°
14
47°
38°
15
46°
39°
16
45°
40°
17
45°
39°
18
46°
37°
19
45°
36°
20
44°
36°
21
44°
37°
22
43°
35°
23
43°
35°
24
44°
33°
25
44°
38°
26
45°
40°
27
44°
38°
28
44°
34°
29
45°
34°
30
42°
37°
31
41°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sunnyside
Sunnyside's October 2026 forecast shows daily high temperatures ranging from 41° to 55°, with overnight lows between 33° and 46°. The average high for October is 47° with an average low of 40°. 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 Sunnyside. See also: November | December | January.
