Hourly Weather Forecast - Mercer Island, WA

12 AM
39°F
10%
1mph
E
Mostly Cloudy
Humidity
90%
Feels like
39°F
Dew Point
36°F
1 AM
38°F
10%
1mph
E
Mostly Cloudy
Humidity
90%
Feels like
38°F
Dew Point
35°F
2 AM
38°F
10%
1mph
ENE
Cloudy
Humidity
89%
Feels like
38°F
Dew Point
35°F
3 AM
38°F
10%
1mph
ENE
Cloudy
Humidity
88%
Feels like
38°F
Dew Point
35°F
4 AM
37°F
10%
1mph
ENE
Cloudy
Humidity
89%
Feels like
37°F
Dew Point
35°F
5 AM
37°F
10%
1mph
ENE
Cloudy
Humidity
90%
Feels like
37°F
Dew Point
34°F
6 AM
37°F
10%
1mph
ENE
Cloudy
Humidity
90%
Feels like
37°F
Dew Point
34°F
7 AM
37°F
10%
1mph
ENE
Cloudy
Humidity
90%
Feels like
37°F
Dew Point
34°F
7:47 AM
8 AM
38°F
10%
1mph
ENE
Cloudy
Humidity
89%
Feels like
38°F
Dew Point
35°F
9 AM
39°F
10%
1mph
NE
Mostly Cloudy
Humidity
86%
Feels like
39°F
Dew Point
35°F
10 AM
41°F
10%
1mph
NE
Mostly Cloudy
Humidity
83%
Feels like
41°F
Dew Point
37°F
11 AM
43°F
10%
1mph
NNE
Mostly Cloudy
Humidity
79%
Feels like
43°F
Dew Point
37°F
12 PM
45°F
10%
1mph
N
Mostly Cloudy
Humidity
76%
Feels like
45°F
Dew Point
38°F
1 PM
47°F
10%
1mph
N
Cloudy
Humidity
73%
Feels like
47°F
Dew Point
38°F
2 PM
47°F
10%
1mph
N
Cloudy
Humidity
73%
Feels like
47°F
Dew Point
39°F
3 PM
47°F
10%
1mph
N
Cloudy
Humidity
75%
Feels like
47°F
Dew Point
39°F
4 PM
46°F
10%
1mph
N
Cloudy
Humidity
77%
Feels like
46°F
Dew Point
39°F
4:53 PM
5 PM
44°F
10%
0mph
N
Cloudy
Humidity
80%
Feels like
44°F
Dew Point
39°F
6 PM
43°F
10%
0mph
NNE
Cloudy
Humidity
82%
Feels like
43°F
Dew Point
38°F
7 PM
42°F
10%
0mph
NE
Cloudy
Humidity
84%
Feels like
42°F
Dew Point
38°F
8 PM
41°F
10%
1mph
NE
Mostly Cloudy
Humidity
86%
Feels like
41°F
Dew Point
37°F
9 PM
40°F
10%
1mph
ENE
Partly Cloudy
Humidity
87%
Feels like
40°F
Dew Point
37°F
10 PM
40°F
10%
1mph
ENE
Partly Cloudy
Humidity
87%
Feels like
40°F
Dew Point
37°F
11 PM
40°F
10%
1mph
E
Partly Cloudy
Humidity
88%
Feels like
40°F
Dew Point
36°F

Snow Forecast through Saturday

Multiple Snowy Systems Hit Great Lakes, Northeast

A new disturbance will track across the Upper Midwest, central Appalachia, Northeast, and Great Lakes.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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