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Lake Washington
Lake Washington Current Water Temperature and Forecast
On this page, you will find comprehensive information about the water temperature in Lake Washington, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Lake Water Temperature Information
13.3°C
TODAY
13.1°C
YESTERDAY
11.8°C
A WEEK AGO
As of today, the minimum water temperature in the Lake Washington ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Analysis, Historical Data, and Forecast of Water Temperature
Water Temperature Chart for Lake Washington Over the Last 30 Days
Today the water temperature in Lake Washington is lower than the same day in previous years. The water temperature range here in May is from 13°C to 21°C. The water temperature is trending upward, and it has increased both over the past 30 days and the past week.
The forecasted water temperature values for Lake Washington are presented in the table below.
The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.
Daily Water Temperature Chart
| Date | Current | Average | Forecast |
|---|---|---|---|
| Apr 29 | 11.8°C | 11.0°C | |
| Apr 30 | 12.2°C | 11.0°C | |
| May 1 | 12.8°C | 17.0°C | |
| May 2 | 13.0°C | 17.0°C | |
| May 3 | 13.3°C | 17.0°C | |
| May 4 | 13.4°C | 17.0°C | |
| May 5 | 13.1°C | 17.0°C | |
| May 6 | 13.3°C | 17.0°C | |
| May 7 | 17.0°C | 13.5°C | |
| May 8 | 17.0°C | 13.7°C | |
| May 9 | 17.0°C | 13.9°C | |
| May 10 | 17.0°C | 14.1°C | |
| May 11 | 17.0°C | 14.3°C | |
| May 12 | 17.0°C | 14.5°C | |
| May 13 | 17.0°C | 14.7°C | |
| May 14 | 17.0°C | 14.8°C |
Water Temperature Ranges in Lake Washington by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 0°C | 1.7°C | 4°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 3°C | 5.6°C | 8°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 5°C | 8°C | 11°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 11°C | 15°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 13°C | 17°C | 21°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 19°C | 21.1°C | 24°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 26°C | 28.9°C | 31°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 25°C | 27.8°C | 30°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 21°C | 23.9°C | 26°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 15°C | 17.8°C | 20°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 9°C | 11.7°C | 14°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 4°C | 6.7°C | 9°C |
Monthly Water Temperature Histogram for Lake Washington
Known Beaches in the Area of Lake Washington?
Madison Park Beach
Madison Park Beach is a 4-stars sandy beach, is located directly in Lake Washington. There are lifeguards on the beach. For those who prefer clothing-optional beaches, Madison Park Beach is a designated nudist beach. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Medina Beach Park
Medina Beach Park is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Lake Washington. There is parking. Medina Beach Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Denny Blaine Beach
Denny Blaine Beach is a 1-stars sandy beach, located in a 2 km (1 miles) radius of Lake Washington. For those who prefer clothing-optional beaches, Denny Blaine Beach is a designated nudist beach.
Madrona Beach
Madrona Beach is a 4-stars sandy beach, located in a 3 km (2 miles) radius of Lake Washington. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés.
Loch Lane Beach
Loch Lane Beach is a 2-stars sandy beach, located in a 3 km (2 miles) radius of Lake Washington. There is parking. Loch Lane Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Northeast 43rd Street End
Northeast 43rd Street End is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Lake Washington. There are cafés. Northeast 43rd Street End is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Calkins Point Sand Beach
Calkins Point Sand Beach is a 1-stars sandy beach, located in a 4 km (2 miles) radius of Lake Washington.
Yarrow Point Beach Park
Yarrow Point Beach Park is a 2-stars sandy beach, located in a 4 km (2 miles) radius of Lake Washington. There is parking. Yarrow Point Beach Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Meydenbauer Bay Park
Meydenbauer Bay Park is a 5-stars sandy beach, located in a 4 km (2 miles) radius of Lake Washington. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Meydenbauer Bay Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Clyde Beach Park
Clyde Beach Park is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Lake Washington. There are lifeguards on the beach. There is parking. There are restrooms. Clyde Beach Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Calkins Landing
Calkins Landing is a 2-stars pebble beach, located in a 5 km (3 miles) radius of Lake Washington. There is parking. There are restrooms. Calkins Landing is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Fritz Hedges Waterway Park
Fritz Hedges Waterway Park is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Lake Washington. There is parking.
Chism Beach Park
Chism Beach Park is a 4-stars sandy beach, located in a 5 km (3 miles) radius of Lake Washington. There are lifeguards on the beach. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Mercer Island Parks & Recreation
Mercer Island Parks & Recreation is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Lake Washington. There are restrooms. Mercer Island Parks & Recreation is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Colman Beach
Colman Beach is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Lake Washington. There is parking. Colman Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Luther Burbank Park
Luther Burbank Park is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Lake Washington. There is parking. There are restrooms. Luther Burbank Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Garfield Landing
Garfield Landing is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Lake Washington. There is parking. Garfield Landing is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Slater Park
Slater Park is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Lake Washington. There is parking. Slater Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Houghton Beach Park
Houghton Beach Park is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Lake Washington. There is parking. There are restrooms. Houghton Beach Park is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Mount Baker Beach
Mount Baker Beach is a 4-stars sandy beach, located in a 6 km (4 miles) radius of Lake Washington. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Mount Baker Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Lake Washington Weather
MAY 7
10°C / 26°C
overcastrain: 29% | wind: 12 km/h
MAY 8
5°C / 17°C
slight rainrain: 64% | wind: 10 km/h
MAY 9
5°C / 22°C
overcastrain: 2% | wind: 11 km/h
MAY 10
7°C / 21°C
overcastrain: 5% | wind: 9 km/h
MAY 11
7°C / 16°C
light drizzlerain: 33% | wind: 12 km/h
MAY 12
5°C / 10°C
moderate drizzlerain: 41% | wind: 8 km/h
Water Temperature in Lake Washington: General Trends and Swimming Opportunities
Lake Washington is located in the state of Washington, in the county of King, at an elevation of 9 feet (3 meters) above sea level.
Lake Washington is a medium lake. Its surface area is 34.4 sq mi (89.0 sq km). Typically versatile lakes with developed ecosystems; popular for water sports and tourism.
The water temperature in Lake Washington varies throughout the year, ranging from 32°F (0°C) in January to 88°F (31°C) in July. The average annual water temperature of the lake is 59°F (15°C). The months when the average water temperature in Lake Washington exceeds 68 degrees Fahrenheit (20°C) are June, July, August and September.
The nearest cities ans towns to Lake Washington are: Medina, Clyde Hill, Yarrow Point, Bellevue, Seattle, Kirkland, Wilburton, Mercer Island, Newport, Greenwood in Washington.
Geographical Location of Lake Washington
Frequently Asked Questions About Lake Washington and its Water Temperatures
What is the current water temperature in Lake Washington?
The water temperature today in Lake Washington is 56°F (13.3°C).
What is the water temperature in Lake Washington during the summer months?
The average water temperature in Lake Washington during the summer months is typically between 70°F to 84°F (21°C to 29°C), and it can reach up to 88°F (31°C) at its warmest. However, in some years, the temperature may exceed this range.
What is the water temperature in Lake Washington in May?
The average water temperature in Lake Washington in May ranges from 61°F to 70°F (16°C to 21°C).
What is the water temperature in Lake Washington in September?
The average water temperature in Lake Washington in September is typically between 70°F to 79°F (21°C to 26°C).
Where is Lake Washington located?
Lake Washington is located in the United States in the state of Washington, in the county of King, at an elevation of 9 feet (3 meters) above sea level. The surface area of the lake is 34.363 sq mi (89.00 sq km).
Is it possible to swim in Lake Washington and what are the possibilities for this?
Yes, it is possible to swim in Lake Washington. There are several public beaches and parks along the shores which provide access for swimming.
What are the coordinates of Lake Washington?
Lake Washington is located at coordinates 47.6290°N 122.2600°W.
Is Lake Lake Washington a popular vacation spot among Americans?
Lake Washington is quite popular among Americans and ranks among the top 500 lakes in the United States.
What species of fish can be found in Lake Washington?
Lake Washington is home to fish species such as Largemouth bass (best caught in Spring, Fall), Smallmouth bass (Spring, Fall), Yellow perch (Spring, Winter), Black crappie (Spring, Fall), Rainbow trout (Spring, Fall), Cutthroat trout (Spring, Fall), Brown trout (Spring, Fall), Common carp (Spring, Summer), Channel catfish (Spring, Summer), Chinook salmon (Summer, Fall), Sockeye salmon (Summer), Steelhead trout (Spring, Fall).