S
M
T
W
T
F
S
27
56°
47°
28
56°
46°
29
54°
44°
30
50°
42°
1
52°
42°
2
52°
41°
3
53°
41°
4
52°
42°
5
53°
40°
6
52°
40°
7
50°
44°
8
49°
44°
9
50°
43°
10
48°
40°
11
48°
40°
12
47°
40°
13
47°
39°
14
46°
39°
15
46°
40°
16
47°
38°
17
46°
36°
18
44°
38°
19
44°
40°
20
45°
40°
21
44°
42°
22
45°
39°
23
44°
36°
24
45°
36°
25
44°
37°
26
42°
35°
27
43°
36°
28
42°
35°
29
41°
38°
30
42°
38°
31
42°
36°
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 56°, with overnight lows between 35° 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.
