S
M
T
W
T
F
S
27
59°
45°
28
63°
48°
29
57°
52°
30
57°
48°
1
57°
50°
2
64°
55°
3
59°
52°
4
59°
52°
5
63°
52°
6
59°
48°
7
59°
52°
8
64°
48°
9
59°
50°
10
55°
46°
11
57°
43°
12
59°
39°
13
59°
54°
14
59°
50°
15
55°
48°
16
64°
45°
17
63°
45°
18
54°
43°
19
54°
45°
20
55°
45°
21
55°
43°
22
57°
43°
23
54°
41°
24
48°
43°
25
54°
46°
26
54°
48°
27
52°
45°
28
54°
41°
29
52°
48°
30
50°
34°
31
54°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Lummi Island
Lummi Island's October 2026 forecast shows daily high temperatures ranging from 50° to 54°, with overnight lows between 33° and 34°. The average high for October is 52° with an average low of 34°. 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 Lummi Island. See also: November | December | January.
