S
M
T
W
T
F
S
27
52°
43°
28
50°
44°
29
50°
43°
30
51°
46°
1
51°
41°
2
52°
40°
3
50°
42°
4
49°
44°
5
48°
41°
6
48°
40°
7
49°
40°
8
48°
39°
9
47°
38°
10
46°
39°
11
46°
43°
12
47°
47°
13
53°
43°
14
53°
42°
15
49°
38°
16
47°
38°
17
45°
41°
18
44°
38°
19
44°
36°
20
45°
36°
21
43°
39°
22
43°
35°
23
44°
35°
24
41°
34°
25
42°
34°
26
40°
35°
27
42°
39°
28
44°
40°
29
43°
39°
30
41°
34°
31
42°
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 40° to 53°, with overnight lows between 32° and 47°. The average high for October is 47° 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 Sunnyside. See also: November | December | January.
