South Lake Union Weather Today
Seattle, United States · Updated Friday, April 3, 2026 at 8:38 PM ET
59°F
Scattered Clouds
Feels like 57°F · H 61°F / L 56°F
Humidity
53%
Wind
6 mph
SW
Visibility
6 mi
Pressure
1028
hPa
Cloud Cover
40%
Golden Hour · South Lake Union Today
Morning Golden Hour
2:15 PM – 3:15 PM
Sunrise 2:25 PM
Evening Golden Hour
2:34 AM – 3:34 AM
Sunset 3:24 AM
South Lake Union Weather Right Now
South Lake Union weather today is 59°F with scattered clouds. The high will reach 61°F and the low will drop to 56°F. It feels like 57°F outside. Humidity is at 53% with winds from the SW at 6 mph. Visibility is 6 miles with 40% cloud cover and a pressure of 1028 hPa.
5-Day Forecast
Sat, Apr 4
61°F
45°F
Scattered Clouds
Sun, Apr 5
62°F
46°F
Overcast Clouds
Mon, Apr 6
71°F
49°F
Broken Clouds
Tue, Apr 7
55°F
43°F
Overcast Clouds
Wed, Apr 8
55°F
41°F
Clear Sky
About South Lake Union Weather
Lake Union creates a local weather phenomenon — afternoon heating draws onshore breezes across the lake that lower temperatures on the south shore while keeping the north shore warmer.