S
M
T
W
T
F
S
27
65°
48°
28
64°
46°
29
63°
53°
30
65°
49°
1
68°
51°
2
71°
52°
3
67°
54°
4
69°
51°
5
68°
52°
6
66°
52°
7
67°
53°
8
68°
53°
9
62°
45°
10
60°
40°
11
64°
41°
12
63°
41°
13
61°
47°
14
62°
42°
15
61°
45°
16
65°
44°
17
63°
44°
18
61°
44°
19
59°
45°
20
58°
44°
21
57°
42°
22
58°
43°
23
61°
41°
24
60°
43°
25
60°
42°
26
59°
42°
27
60°
41°
28
59°
45°
29
58°
42°
30
57°
45°
31
52°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sammamish
Sammamish's October 2026 forecast shows daily high temperatures ranging from 52° to 68°, with overnight lows between 40° and 53°. The average high for October is 60° with an average low of 44°. 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 Sammamish. See also: November | December | January.
