S
M
T
W
T
F
S
27
89°
55°
28
90°
55°
29
91°
57°
30
91°
64°
1
91°
68°
2
90°
72°
3
86°
73°
4
84°
73°
5
76°
71°
6
76°
68°
7
82°
69°
8
80°
70°
9
77°
70°
10
83°
73°
11
84°
63°
12
86°
63°
13
87°
63°
14
88°
64°
15
80°
60°
16
83°
61°
17
82°
60°
18
79°
56°
19
77°
55°
20
79°
56°
21
81°
64°
22
82°
59°
23
74°
56°
24
72°
56°
25
72°
57°
26
73°
56°
27
77°
52°
28
76°
49°
29
72°
50°
30
72°
56°
31
75°
56°
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 72° to 88°, with overnight lows between 49° and 73°. The average high for October is 79° with an average low of 59°. 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.
