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