S
M
T
W
T
F
S
31
68°
47°
1
76°
49°
2
86°
56°
3
70°
57°
4
69°
53°
5
63°
51°
6
62°
48°
7
66°
51°
8
60°
54°
9
66°
49°
10
65°
50°
11
70°
53°
12
74°
56°
13
82°
61°
14
88°
63°
15
87°
62°
16
81°
58°
17
81°
59°
18
77°
56°
19
74°
57°
20
73°
54°
21
74°
58°
22
68°
58°
23
69°
55°
24
73°
58°
25
75°
59°
26
75°
58°
27
76°
59°
28
76°
57°
29
73°
57°
30
71°
58°
1
70°
56°
2
77°
61°
3
73°
60°
4
74°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Seattle
Seattle's June 2026 forecast shows daily high temperatures ranging from 60° to 88°, with overnight lows between 49° and 63°. The average high for June is 74° with an average low of 57°. 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 Seattle. See also: July | August | September.
