S
M
T
W
T
F
S
26
59°
36°
27
59°
47°
28
55°
43°
29
59°
39°
30
61°
40°
1
56°
45°
2
63°
46°
3
68°
45°
4
65°
47°
5
58°
48°
6
57°
49°
7
59°
47°
8
58°
46°
9
60°
50°
10
63°
50°
11
60°
48°
12
67°
43°
13
57°
51°
14
57°
49°
15
56°
46°
16
56°
43°
17
59°
47°
18
61°
49°
19
60°
49°
20
60°
47°
21
63°
41°
22
58°
48°
23
61°
49°
24
63°
49°
25
60°
51°
26
60°
49°
27
66°
44°
28
63°
48°
29
59°
49°
30
59°
46°
31
61°
46°
1
66°
48°
2
70°
53°
3
65°
51°
4
62°
51°
5
63°
50°
6
60°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Deception Pass State Park
Deception Pass State Park's May 2026 forecast shows daily high temperatures ranging from 59° to 70°, with overnight lows between 46° and 53°. The average high for May is 63° 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 Deception Pass State Park. See also: June | July | August.
