S
M
T
W
T
F
S
27
53°
47°
28
51°
46°
29
51°
45°
30
52°
46°
1
52°
42°
2
51°
43°
3
50°
41°
4
49°
42°
5
49°
41°
6
50°
41°
7
48°
42°
8
48°
40°
9
49°
44°
10
49°
38°
11
50°
41°
12
48°
41°
13
47°
40°
14
46°
39°
15
46°
38°
16
47°
39°
17
46°
40°
18
45°
39°
19
44°
38°
20
47°
37°
21
47°
36°
22
44°
37°
23
44°
39°
24
44°
37°
25
41°
34°
26
41°
34°
27
Hist. Avg.
44°
31°
28
Hist. Avg.
44°
31°
29
Hist. Avg.
43°
31°
30
Hist. Avg.
43°
30°
31
Hist. Avg.
43°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Sunnyside
Sunnyside's October 2026 forecast shows daily high temperatures ranging from 41° to 53°, with overnight lows between 34° and 47°. The average high for October is 48° 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.
