S
M
T
W
T
F
S
31
61°
42°
1
70°
41°
2
80°
50°
3
61°
52°
4
58°
49°
5
54°
45°
6
55°
45°
7
59°
46°
8
54°
50°
9
54°
47°
10
59°
46°
11
63°
43°
12
67°
48°
13
77°
49°
14
82°
56°
15
72°
53°
16
63°
52°
17
67°
52°
18
74°
47°
19
74°
51°
20
67°
48°
21
66°
46°
22
75°
51°
23
83°
59°
24
69°
53°
25
57°
51°
26
60°
52°
27
62°
54°
28
62°
52°
29
64°
52°
30
64°
53°
1
57°
51°
2
58°
46°
3
57°
47°
4
59°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Olympic National Park
Olympic National Park's June 2026 forecast shows daily high temperatures ranging from 57° to 64°, with overnight lows between 46° and 54°. The average high for June is 60° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Olympic National Park. See also: July | August | September.