Hourly Weather Forecast - Mercer Island, WA

12 AM
48°F
0%
1mph
ESE
Partly Cloudy
Humidity
73%
Feels like
48°F
Dew Point
40°F
1 AM
47°F
0%
1mph
SE
Partly Cloudy
Humidity
74%
Feels like
47°F
Dew Point
40°F
2 AM
47°F
0%
1mph
SE
Partly Cloudy
Humidity
75%
Feels like
47°F
Dew Point
39°F
3 AM
46°F
0%
1mph
SSE
Partly Cloudy
Humidity
77%
Feels like
46°F
Dew Point
39°F
4 AM
45°F
10%
1mph
SSE
Partly Cloudy
Humidity
79%
Feels like
45°F
Dew Point
39°F
5 AM
45°F
10%
1mph
SSE
Partly Cloudy
Humidity
80%
Feels like
45°F
Dew Point
39°F
6 AM
45°F
10%
1mph
SSE
Partly Cloudy
Humidity
80%
Feels like
45°F
Dew Point
39°F
6:53 AM
7 AM
46°F
10%
1mph
SSE
Mostly Sunny
Humidity
79%
Feels like
46°F
Dew Point
39°F
8 AM
47°F
10%
1mph
SSE
Mostly Sunny
Humidity
77%
Feels like
47°F
Dew Point
40°F
9 AM
49°F
10%
1mph
S
Mostly Sunny
Humidity
74%
Feels like
49°F
Dew Point
41°F
10 AM
51°F
20%
1mph
SSW
Mostly Sunny
Humidity
70%
Feels like
51°F
Dew Point
42°F
11 AM
53°F
20%
1mph
SSW
Mostly Sunny
Humidity
66%
Feels like
53°F
Dew Point
42°F
12 PM
55°F
30%
1mph
SW
30% Chance Rain Showers
Humidity
62%
Feels like
55°F
Dew Point
42°F
1 PM
56°F
30%
2mph
SW
30% Chance Rain Showers
Humidity
59%
Feels like
56°F
Dew Point
42°F
2 PM
57°F
30%
2mph
SW
30% Chance Rain Showers
Humidity
56%
Feels like
57°F
Dew Point
42°F
3 PM
58°F
40%
2mph
SW
40% Chance Rain Showers
Humidity
55%
Feels like
58°F
Dew Point
42°F
4 PM
58°F
40%
2mph
SW
40% Chance Rain Showers
Humidity
54%
Feels like
58°F
Dew Point
42°F
5 PM
57°F
40%
2mph
SW
40% Chance Rain Showers
Humidity
56%
Feels like
57°F
Dew Point
42°F
6 PM
56°F
40%
2mph
SW
40% Chance Rain Showers
Humidity
60%
Feels like
56°F
Dew Point
42°F

Tuesday's Weather Outlook

Tuesday's Weather Outlook

Springtime weather makes itself known this Tuesday as a variety of weather occurs across the Nation.

Weekly Drought Map for March 19, 2026

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

(Image provided by Pixabay.com)

Sun Safety: Protect Your Skin During Spring

Pile of hail after a hail storm hits Perth.

How Does Hail Form?

(Image provided by Pixabay.com)

Lightning Safety

This John Deere riding mower continues to hum along. (Wikimedia Commons)

Spring Mower and Power Tool Seasonal Checklist

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