S
M
T
W
T
F
S
27
60°
49°
28
61°
48°
29
59°
48°
30
58°
46°
1
59°
49°
2
62°
53°
3
66°
49°
4
65°
50°
5
66°
48°
6
62°
43°
7
58°
43°
8
57°
42°
9
57°
43°
10
60°
43°
11
55°
50°
12
55°
42°
13
Hist. Avg.
58°
47°
14
Hist. Avg.
58°
46°
15
Hist. Avg.
58°
46°
16
Hist. Avg.
58°
46°
17
Hist. Avg.
57°
46°
18
Hist. Avg.
57°
46°
19
Hist. Avg.
57°
45°
20
Hist. Avg.
56°
45°
21
Hist. Avg.
56°
45°
22
Hist. Avg.
56°
45°
23
Hist. Avg.
55°
44°
24
Hist. Avg.
55°
44°
25
Hist. Avg.
55°
44°
26
Hist. Avg.
55°
44°
27
Hist. Avg.
54°
44°
28
Hist. Avg.
54°
43°
29
Hist. Avg.
54°
43°
30
Hist. Avg.
54°
43°
31
Hist. Avg.
53°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Mountlake Terrace
Mountlake Terrace's October 2026 forecast shows daily high temperatures ranging from 55° to 66°, with overnight lows between 42° and 53°. The average high for October is 60° with an average low of 47°. 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 Mountlake Terrace. See also: November | December | January.
