S
M
T
W
T
F
S
27
N/A
28
N/A
29
54°
45°
30
53°
38°
1
58°
42°
2
61°
48°
3
62°
44°
4
70°
47°
5
61°
49°
6
66°
47°
7
69°
49°
8
66°
45°
9
51°
35°
10
47°
33°
11
56°
33°
12
56°
30°
13
52°
41°
14
54°
37°
15
55°
38°
16
56°
41°
17
54°
38°
18
51°
37°
19
50°
40°
20
53°
38°
21
49°
37°
22
53°
40°
23
53°
36°
24
52°
38°
25
52°
36°
26
51°
37°
27
52°
36°
28
51°
39°
29
50°
36°
30
49°
39°
31
44°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Snoqualmie Valley
Snoqualmie Valley's October 2026 forecast shows daily high temperatures ranging from 44° to 66°, with overnight lows between 30° and 45°. The average high for October is 52° with an average low of 37°. 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 Snoqualmie Valley. See also: November | December | January.
