Hourly Weather Forecast - Mercer Island, WA

12 AM
41°F
0%
2mph
N
Mostly Cloudy
Humidity
80%
Feels like
41°F
Dew Point
35°F
1 AM
40°F
0%
2mph
N
Mostly Cloudy
Humidity
82%
Feels like
40°F
Dew Point
35°F
2 AM
39°F
0%
2mph
NNE
Partly Cloudy
Humidity
83%
Feels like
39°F
Dew Point
35°F
3 AM
39°F
0%
2mph
NNE
Partly Cloudy
Humidity
85%
Feels like
39°F
Dew Point
35°F
4 AM
39°F
0%
1mph
NNE
Mostly Clear
Humidity
85%
Feels like
39°F
Dew Point
35°F
5 AM
39°F
0%
1mph
NNE
Mostly Clear
Humidity
85%
Feels like
39°F
Dew Point
35°F
6 AM
39°F
0%
1mph
NE
Mostly Clear
Humidity
82%
Feels like
39°F
Dew Point
34°F
7 AM
39°F
0%
1mph
NE
Mostly Clear
Humidity
82%
Feels like
39°F
Dew Point
34°F
7:06 AM
8 AM
40°F
0%
1mph
NE
Mostly Sunny
Humidity
81%
Feels like
40°F
Dew Point
35°F
9 AM
42°F
0%
1mph
NNE
Mostly Sunny
Humidity
78%
Feels like
42°F
Dew Point
35°F
10 AM
44°F
0%
1mph
N
Mostly Sunny
Humidity
75%
Feels like
44°F
Dew Point
37°F
11 AM
46°F
0%
2mph
N
Sunny
Humidity
70%
Feels like
46°F
Dew Point
37°F
12 PM
48°F
0%
2mph
N
Mostly Sunny
Humidity
65%
Feels like
48°F
Dew Point
37°F
1 PM
50°F
0%
2mph
N
Partly Cloudy
Humidity
61%
Feels like
50°F
Dew Point
37°F
2 PM
51°F
0%
2mph
NNW
Mostly Cloudy
Humidity
59%
Feels like
51°F
Dew Point
37°F
3 PM
51°F
0%
2mph
NNW
Mostly Cloudy
Humidity
58%
Feels like
51°F
Dew Point
37°F
4 PM
51°F
0%
2mph
NNW
Mostly Cloudy
Humidity
58%
Feels like
51°F
Dew Point
37°F
5 PM
50°F
0%
2mph
N
Mostly Cloudy
Humidity
58%
Feels like
50°F
Dew Point
36°F
6 PM
48°F
0%
2mph
N
Cloudy
Humidity
61%
Feels like
48°F
Dew Point
36°F
7 PM
47°F
0%
1mph
N
Cloudy
Humidity
64%
Feels like
47°F
Dew Point
35°F
7:25 PM
8 PM
46°F
10%
1mph
N
Cloudy
Humidity
67%
Feels like
46°F
Dew Point
35°F
9 PM
44°F
0%
1mph
N
Cloudy
Humidity
70%
Feels like
44°F
Dew Point
35°F
10 PM
44°F
0%
1mph
N
Cloudy
Humidity
73%
Feels like
44°F
Dew Point
36°F
11 PM
43°F
10%
0mph
N
Cloudy
Humidity
74%
Feels like
43°F
Dew Point
36°F

Today's Severe Weather Outlook

Dangerous Spring Storms Take Aim at Ohio Valley, Mid-Atlantic

Spring is here and Mother Nature is set to bring dangerous thunderstorms to parts of the Great Lakes, Ohio Valley and Mid-Atlantic.

Today's High Temperature Outlook

Summer-Like Heat Bakes the Southern U.S.

Monday's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

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