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
51°
41°
14
51°
44°
15
51°
45°
16
49°
44°
17
49°
43°
18
49°
42°
19
49°
42°
20
49°
40°
21
47°
39°
22
43°
35°
23
43°
31°
24
45°
43°
25
50°
46°
26
51°
47°
27
47°
34°
28
42°
37°
29
46°
41°
30
45°
41°
31
43°
40°
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 42° to 51°, with overnight lows between 31° and 47°. The average high for October is 47° 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.
