S
M
T
W
T
F
S
26
67°
46°
27
62°
46°
28
63°
46°
29
69°
48°
30
67°
49°
1
63°
48°
2
63°
49°
3
62°
47°
4
64°
48°
5
64°
49°
6
63°
47°
7
66°
44°
8
67°
46°
9
67°
48°
10
68°
48°
11
68°
49°
12
61°
46°
13
61°
45°
14
62°
45°
15
65°
48°
16
68°
53°
17
68°
53°
18
66°
54°
19
67°
53°
20
69°
54°
21
70°
53°
22
66°
53°
23
63°
49°
24
64°
48°
25
66°
52°
26
70°
55°
27
69°
53°
28
71°
55°
29
72°
55°
30
71°
52°
31
63°
49°
1
65°
53°
2
63°
50°
3
72°
55°
4
73°
55°
5
63°
50°
6
68°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Seattle
West Seattle's May 2026 forecast shows daily high temperatures ranging from 61° to 73°, with overnight lows between 44° and 57°. The average high for May is 66° with an average low of 50°. 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 West Seattle. See also: June | July | August.
