S
M
T
W
T
F
S
27
50°
43°
28
54°
47°
29
51°
46°
30
54°
46°
1
51°
47°
2
51°
47°
3
52°
46°
4
50°
45°
5
49°
44°
6
48°
44°
7
48°
43°
8
47°
41°
9
47°
38°
10
48°
38°
11
47°
41°
12
48°
38°
13
46°
39°
14
46°
41°
15
48°
42°
16
50°
43°
17
49°
44°
18
48°
37°
19
50°
36°
20
48°
35°
21
43°
35°
22
42°
36°
23
43°
35°
24
43°
36°
25
42°
40°
26
45°
34°
27
48°
33°
28
46°
32°
29
40°
32°
30
39°
31°
31
38°
32°
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 38° to 54°, with overnight lows between 31° and 47°. 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.
