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Photo: Boating on Lake Washington, 1950 (43741664441) by Seattle Municipal Archives from Seattle, WA (CC BY 2.0) License

Lake Washington Boulevard Park

City park · Seattle, Washington

Hot — visit earlypet-friendlyPicnic tablesWheelchair accessible entranceWheelchair accessible parking lot

This 117-mile lakefront area is known for its bicycle trail & fishing opportunities.

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Current water conditions

Water temp
57°F
14°C
Cold water — serious cold-shock risk today. At this temperature, sudden immersion can trigger involuntary gasping and sap a strong swimmer's strength within minutes. Enter slowly, never alone, and consider a wetsuit — or sit this one out.

Live data from NOAA buoy TCNW1 (21.5 mi away), as of Aug 20, 9:54 PM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.

Weather at Lake Washington Boulevard Park

H: 91° L: 58°
Sunny
Sunny
90°
|
Feels like 89°
Precipitation
3%
Humidity
33%
Wind
7 mph
UV Index
5.4
Water Conditions:
🏊Perfect for swimming🧴High UV - use sunscreen
12 AM
Clear
65°
3 AM
Clear
61°
6 AM
Clear
58°
9 AM
Sunny
66°
12 PM
Sunny
84°
3 PM
Sunny
90°
6 PM
Sunny
87°
9 PM
Clear
73°

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Frequently asked questions

Where is Lake Washington Boulevard Park?
Lake Washington Boulevard Park is a city park in Seattle, Washington.
What is the water temperature at Lake Washington Boulevard Park?
As of August 20, 2026, the water temperature at Lake Washington Boulevard Park in Seattle, Washington is 57°F (14°C), measured by NOAA buoy TCNW1, 21.5 miles away.
Can you swim at Lake Washington Boulevard Park?
There is no fixed answer for Lake Washington Boulevard Park: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Lake Washington Boulevard Park in Seattle, Washington. Check current water conditions before you go, and follow posted signs and local guidance.
How is Lake Washington Boulevard Park rated?
Lake Washington Boulevard Park in Seattle, Washington has an average visitor rating of 4.7 out of 5, based on 357 reviews.
What amenities does Lake Washington Boulevard Park have?
Visitor-listed amenities at Lake Washington Boulevard Park include pet-friendly.

Visitor Reviews

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Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

☀️
Right Now
Very warm - visit early morning or evening
General Tips:
  • Weekday mornings (8–10 AM) are typically less crowded
  • Check the forecast 2–3 days ahead for best planning
  • Avoid holiday weekends for a quieter experience
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

4500 Lake Washington Blvd S, Seattle, WA 98118

Seattle, Washington 98118

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Highlights

Picnics

Accessibility

Wheelchair accessible entranceWheelchair accessible parking lot

Amenities

🐾 Dog-friendly🧺 Picnic tables

Family & Children

👶 Good for kids👶 Kid-friendly hikes