S
M
T
W
T
F
S
29
32°
24°
30
34°
25°
1
35°
28°
2
32°
29°
3
35°
30°
4
34°
31°
5
36°
26°
6
35°
25°
7
33°
31°
8
36°
25°
9
37°
25°
10
35°
30°
11
35°
33°
12
40°
32°
13
42°
31°
14
40°
29°
15
39°
32°
16
39°
33°
17
41°
32°
18
42°
31°
19
41°
29°
20
38°
23°
21
35°
24°
22
32°
24°
23
31°
23°
24
31°
21°
25
32°
22°
26
31°
18°
27
30°
23°
28
30°
21°
29
34°
18°
30
34°
20°
31
26°
25°
1
32°
27°
2
32°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Snoqualmie Pass
Snoqualmie Pass's December 2026 forecast shows daily high temperatures ranging from 26° to 42°, with overnight lows between 18° and 33°. The average high for December is 35° with an average low of 26°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Snoqualmie Pass. See also: January | February | March.
