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°
52°
18
79°
56°
19
82°
56°
20
71°
54°
21
77°
52°
22
85°
64°
23
86°
62°
24
84°
56°
25
69°
57°
26
67°
54°
27
66°
53°
28
69°
55°
29
70°
54°
30
72°
55°
1
74°
55°
2
76°
57°
3
77°
57°
4
78°
56°
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 66° to 86°, with overnight lows between 53° and 64°. The average high for June is 75° 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.
