Hourly Weather Forecast - Mercer Island, WA

1 PM
49°F
0%
0mph
WNW
Partly Cloudy
Humidity
64%
Feels like
49°F
Dew Point
37°F
2 PM
50°F
0%
0mph
NW
Partly Cloudy
Humidity
63%
Feels like
50°F
Dew Point
38°F
3 PM
51°F
0%
1mph
NW
Partly Cloudy
Humidity
61%
Feels like
51°F
Dew Point
38°F
4 PM
52°F
0%
2mph
NNW
Partly Cloudy
Humidity
60%
Feels like
52°F
Dew Point
38°F
5 PM
51°F
0%
2mph
NNW
Partly Cloudy
Humidity
60%
Feels like
51°F
Dew Point
37°F
6 PM
49°F
0%
2mph
NNW
Mostly Cloudy
Humidity
62%
Feels like
49°F
Dew Point
37°F
7 PM
47°F
0%
2mph
NNW
Mostly Cloudy
Humidity
66%
Feels like
47°F
Dew Point
36°F
7:24 PM
8 PM
45°F
0%
2mph
N
Mostly Cloudy
Humidity
70%
Feels like
45°F
Dew Point
36°F
9 PM
43°F
0%
2mph
N
Mostly Cloudy
Humidity
72%
Feels like
43°F
Dew Point
35°F
10 PM
42°F
0%
2mph
N
Mostly Cloudy
Humidity
76%
Feels like
42°F
Dew Point
35°F
11 PM
41°F
0%
2mph
N
Mostly Cloudy
Humidity
78%
Feels like
41°F
Dew Point
35°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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide