S
M
T
W
T
F
S
27
51°
47°
28
52°
46°
29
52°
45°
30
54°
43°
1
50°
44°
2
49°
45°
3
51°
46°
4
56°
50°
5
52°
48°
6
54°
47°
7
52°
45°
8
52°
40°
9
51°
36°
10
51°
32°
11
46°
36°
12
51°
42°
13
48°
36°
14
50°
36°
15
44°
40°
16
51°
39°
17
48°
43°
18
50°
43°
19
48°
41°
20
53°
43°
21
46°
40°
22
44°
40°
23
46°
35°
24
48°
38°
25
47°
36°
26
47°
40°
27
59°
50°
28
55°
47°
29
55°
45°
30
53°
40°
31
49°
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 44° to 59°, with overnight lows between 35° and 50°. The average high for October is 50° with an average low of 41°. 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.
