Mercer Island
5-Day Forecast
8:41
October 7
67°
Now
4 PM
rain
66°
66°
7 PM
rain
62°
62°
10 PM
rain
51°
51°
1 AM
rain
51°
51°
The days ahead
Tue 7
rain
69°
53°
Wed 8
rain
72°
59°
Thu 9
rain
81°
56°
Fri 10
clouds
81°
63°
Sat 11
rain
85°
59°