S
M
T
W
T
F
S
27
65°
59°
28
63°
58°
29
71°
61°
30
74°
63°
1
76°
66°
2
85°
62°
3
72°
57°
4
66°
57°
5
70°
50°
6
61°
50°
7
63°
55°
8
69°
58°
9
68°
55°
10
66°
53°
11
63°
54°
12
66°
56°
13
64°
53°
14
63°
52°
15
59°
47°
16
61°
49°
17
68°
56°
18
67°
56°
19
65°
55°
20
66°
51°
21
61°
48°
22
57°
48°
23
59°
49°
24
64°
54°
25
66°
53°
26
65°
47°
27
55°
44°
28
56°
43°
29
58°
47°
30
57°
48°
31
58°
47°
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 55° to 85°, with overnight lows between 43° and 66°. The average high for October is 64° with an average low of 52°. 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.
