S
M
T
W
T
F
S
31
68°
47°
1
N/A
2
87°
59°
3
70°
52°
4
67°
50°
5
64°
47°
6
60°
46°
7
61°
47°
8
67°
49°
9
65°
52°
10
69°
51°
11
70°
52°
12
74°
53°
13
77°
55°
14
74°
54°
15
68°
52°
16
66°
50°
17
74°
55°
18
74°
55°
19
66°
49°
20
72°
52°
21
73°
55°
22
75°
56°
23
74°
53°
24
68°
50°
25
71°
51°
26
74°
50°
27
66°
49°
28
65°
52°
29
67°
50°
30
71°
54°
1
69°
51°
2
73°
55°
3
77°
58°
4
78°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Sammamish
Sammamish's June 2026 forecast shows daily high temperatures ranging from 60° to 87°, with overnight lows between 46° and 59°. The average high for June is 70° with an average low of 52°. 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 Sammamish. See also: July | August | September.
