S
M
T
W
T
F
S
27
61°
54°
28
72°
57°
29
73°
52°
30
68°
64°
1
68°
46°
2
66°
43°
3
70°
46°
4
69°
40°
5
68°
46°
6
72°
48°
7
70°
45°
8
67°
47°
9
69°
50°
10
73°
52°
11
75°
54°
12
68°
44°
13
62°
43°
14
59°
44°
15
60°
40°
16
62°
40°
17
61°
38°
18
66°
42°
19
60°
40°
20
60°
42°
21
57°
39°
22
61°
43°
23
64°
41°
24
51°
38°
25
50°
38°
26
50°
35°
27
57°
41°
28
62°
43°
29
61°
43°
30
60°
41°
31
60°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sumner
Sumner's October 2026 forecast shows daily high temperatures ranging from 50° to 75°, with overnight lows between 35° and 54°. The average high for October is 63° with an average low of 43°. 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 Sumner. See also: November | December | January.
