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
65°
47°
8
62°
49°
9
63°
51°
10
67°
51°
11
73°
51°
12
74°
54°
13
83°
56°
14
89°
61°
15
91°
64°
16
77°
58°
17
73°
57°
18
75°
60°
19
77°
54°
20
74°
55°
21
76°
60°
22
89°
61°
23
89°
60°
24
80°
58°
25
78°
57°
26
76°
57°
27
76°
57°
28
77°
58°
29
78°
59°
30
74°
57°
1
69°
55°
2
73°
59°
3
75°
59°
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 69° to 89°, with overnight lows between 54° and 61°. The average high for June is 77° with an average low of 58°. 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.
