S
M
T
W
T
F
S
31
66°
50°
1
74°
55°
2
82°
57°
3
72°
53°
4
69°
52°
5
66°
50°
6
63°
49°
7
67°
53°
8
69°
54°
9
72°
55°
10
76°
57°
11
78°
58°
12
70°
53°
13
71°
55°
14
66°
54°
15
65°
56°
16
68°
54°
17
76°
59°
18
76°
58°
19
69°
52°
20
74°
55°
21
75°
58°
22
77°
59°
23
76°
57°
24
70°
54°
25
73°
54°
26
76°
53°
27
68°
52°
28
67°
55°
29
69°
53°
30
74°
58°
1
71°
55°
2
75°
59°
3
79°
61°
4
80°
61°
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 63° to 82°, with overnight lows between 49° and 61°. The average high for June is 72° with an average low of 55°. 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.
