S
M
T
W
T
F
S
31
68°
48°
1
68°
50°
2
82°
56°
3
70°
54°
4
67°
51°
5
61°
50°
6
59°
49°
7
64°
51°
8
66°
52°
9
66°
52°
10
68°
54°
11
69°
52°
12
73°
55°
13
73°
54°
14
71°
53°
15
67°
52°
16
64°
55°
17
72°
57°
18
71°
56°
19
65°
53°
20
68°
56°
21
71°
57°
22
73°
57°
23
70°
56°
24
65°
54°
25
67°
55°
26
68°
54°
27
65°
53°
28
64°
57°
29
65°
55°
30
67°
56°
1
66°
55°
2
69°
58°
3
74°
59°
4
75°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Lummi Island
Lummi Island's June 2026 forecast shows daily high temperatures ranging from 59° to 82°, with overnight lows between 49° and 59°. The average high for June is 68° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Lummi Island. See also: July | August | September.
