S
M
T
W
T
F
S
26
65°
39°
27
58°
46°
28
57°
42°
29
64°
40°
30
69°
42°
1
67°
45°
2
72°
50°
3
77°
50°
4
79°
51°
5
66°
48°
6
65°
47°
7
65°
46°
8
67°
50°
9
68°
48°
10
67°
49°
11
72°
49°
12
69°
48°
13
66°
50°
14
67°
49°
15
64°
44°
16
59°
48°
17
61°
46°
18
59°
46°
19
59°
44°
20
60°
44°
21
67°
49°
22
66°
49°
23
63°
47°
24
68°
50°
25
68°
49°
26
66°
49°
27
69°
50°
28
70°
51°
29
69°
51°
30
70°
50°
31
71°
51°
1
70°
51°
2
69°
50°
3
70°
51°
4
69°
50°
5
68°
50°
6
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lopez Island
Lopez Island's May 2026 forecast shows daily high temperatures ranging from 59° to 79°, with overnight lows between 44° and 51°. The average high for May is 67° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Lopez Island. See also: June | July | August.
