S
M
T
W
T
F
S
26
60°
41°
27
53°
45°
28
53°
43°
29
60°
39°
30
65°
42°
1
61°
46°
2
65°
46°
3
79°
48°
4
67°
51°
5
57°
49°
6
55°
48°
7
59°
46°
8
55°
47°
9
62°
47°
10
59°
46°
11
61°
43°
12
71°
44°
13
54°
49°
14
54°
46°
15
50°
44°
16
57°
42°
17
62°
41°
18
58°
46°
19
56°
48°
20
64°
46°
21
69°
41°
22
62°
50°
23
60°
46°
24
62°
46°
25
55°
46°
26
62°
43°
27
67°
47°
28
64°
47°
29
56°
45°
30
58°
43°
31
61°
42°
1
70°
41°
2
80°
50°
3
61°
52°
4
58°
49°
5
54°
45°
6
55°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Olympic National Park
Olympic National Park's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Olympic National Park. See also: June | July | August.
