S
M
T
W
T
F
S
26
70°
38°
27
57°
41°
28
54°
43°
29
66°
39°
30
68°
43°
1
64°
50°
2
74°
46°
3
79°
54°
4
76°
47°
5
67°
46°
6
62°
46°
7
61°
45°
8
61°
49°
9
63°
48°
10
64°
49°
11
63°
48°
12
62°
49°
13
64°
48°
14
62°
50°
15
61°
49°
16
62°
44°
17
61°
45°
18
57°
45°
19
57°
43°
20
58°
42°
21
66°
49°
22
65°
48°
23
62°
47°
24
66°
50°
25
66°
48°
26
64°
49°
27
67°
51°
28
68°
51°
29
67°
50°
30
68°
51°
31
69°
52°
1
68°
51°
2
67°
50°
3
68°
51°
4
67°
50°
5
67°
51°
6
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sequim
Sequim's May 2026 forecast shows daily high temperatures ranging from 57° to 79°, with overnight lows between 42° and 54°. The average high for May is 65° with an average low of 48°. 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 Sequim. See also: June | July | August.
