Hourly Weather Forecast - Mercer Island, WA

12 AM
47°F
10%
2mph
SSE
Mostly Cloudy
Humidity
93%
Feels like
47°F
Dew Point
45°F
1 AM
47°F
10%
2mph
SSE
Partly Cloudy
Humidity
92%
Feels like
47°F
Dew Point
45°F
2 AM
47°F
10%
2mph
SSE
Mostly Cloudy
Humidity
92%
Feels like
47°F
Dew Point
45°F
3 AM
47°F
10%
1mph
S
Mostly Cloudy
Humidity
92%
Feels like
47°F
Dew Point
45°F
4 AM
47°F
10%
2mph
S
Cloudy
Humidity
91%
Feels like
47°F
Dew Point
44°F
5 AM
47°F
20%
2mph
SSE
Cloudy
Humidity
92%
Feels like
47°F
Dew Point
44°F
6 AM
47°F
20%
2mph
SSE
Cloudy
Humidity
91%
Feels like
47°F
Dew Point
44°F
6:45 AM
7 AM
47°F
30%
2mph
S
30% Chance of Light Rain
Humidity
90%
Feels like
47°F
Dew Point
45°F
8 AM
49°F
30%
3mph
S
30% Chance of Light Rain
Humidity
90%
Feels like
49°F
Dew Point
46°F
9 AM
51°F
30%
3mph
S
30% Chance of Light Rain
Humidity
90%
Feels like
51°F
Dew Point
48°F
10 AM
52°F
30%
3mph
S
30% Chance of Light Rain
Humidity
90%
Feels like
52°F
Dew Point
49°F
11 AM
53°F
30%
4mph
S
30% Chance of Light Rain
Humidity
89%
Feels like
53°F
Dew Point
50°F
12 PM
53°F
40%
4mph
SSW
40% Chance of Light Rain
Humidity
87%
Feels like
53°F
Dew Point
50°F
1 PM
54°F
40%
4mph
SSW
40% Chance of Light Rain
Humidity
88%
Feels like
54°F
Dew Point
50°F
2 PM
53°F
40%
4mph
SSW
40% Chance of Light Rain
Humidity
89%
Feels like
53°F
Dew Point
50°F
3 PM
53°F
50%
4mph
SSW
50% Chance of Light Rain
Humidity
91%
Feels like
53°F
Dew Point
50°F
4 PM
52°F
40%
4mph
S
40% Chance of Light Rain
Humidity
94%
Feels like
52°F
Dew Point
50°F
5 PM
51°F
50%
4mph
S
50% Chance of Light Rain
Humidity
95%
Feels like
51°F
Dew Point
49°F
5:56 PM
6 PM
50°F
70%
4mph
S
70% Chance of Light Rain
Humidity
96%
Feels like
49°F
Dew Point
49°F
7 PM
49°F
80%
3mph
S
80% Chance of Light Rain
Humidity
96%
Feels like
49°F
Dew Point
48°F
8 PM
49°F
80%
3mph
S
80% Chance of Light Rain
Humidity
97%
Feels like
48°F
Dew Point
48°F
9 PM
49°F
90%
3mph
S
Light Rain
Humidity
97%
Feels like
48°F
Dew Point
48°F
10 PM
48°F
100%
3mph
S
Light Rain
Humidity
96%
Feels like
48°F
Dew Point
47°F
11 PM
48°F
100%
3mph
S
Light Rain
Humidity
96%
Feels like
48°F
Dew Point
47°F

Snow and Ice Accumulations through Tuesday

Wintry Disturbance Hits Northeastern U.S.

A wintry disturbance will continue northeastward, buffeting the northeastern U.S. with light snow, freezing rain, and plain rain through Tuesday night.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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