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Sullivan Lake

Sullivan Lake Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Sullivan Lake, 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

60°F

TODAY

60°F

YESTERDAY

61°F

A WEEK AGO

As of today, the minimum water temperature in the Sullivan Lake ranges from 60°F (15°C) to 65°F (18°C). The water is comfortable for most people, making it an ideal range for water sports enthusiasts. The temperature does not cause significant discomfort, and swimming will be pleasant for the majority. However, it's important to remember that prolonged exposure to the water can still lead to cooling, so it's essential to monitor the time spent in the water, especially for children or elderly people.

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 Sullivan Lake Over the Last 30 Days

Today the water temperature in Sullivan Lake is higher than the same day in previous years. The water temperature range here in October is from 48°F to 61°F. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Sullivan Lake 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

DateCurrentAverageForecast
Sep 2561°F63°F
Sep 2661°F63°F
Sep 2761°F63°F
Sep 2861°F63°F
Sep 2960°F63°F
Sep 3061°F63°F
Oct 160°F55°F
Oct 260°F55°F
Oct 355°F60°F
Oct 455°F59°F
Oct 555°F59°F
Oct 655°F58°F
Oct 755°F58°F
Oct 855°F58°F
Oct 955°F57°F
Oct 1055°F57°F
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in Sullivan Lake by Month

January

MinimumAverageMaximum
32°F37°F41°F

February

MinimumAverageMaximum
34°F38°F43°F

March

MinimumAverageMaximum
34°F39°F43°F

April

MinimumAverageMaximum
32°F37°F43°F

May

MinimumAverageMaximum
39°F46°F54°F

June

MinimumAverageMaximum
48°F55°F63°F

July

MinimumAverageMaximum
61°F66°F72°F

August

MinimumAverageMaximum
64°F70°F75°F

September

MinimumAverageMaximum
57°F63°F68°F

October

MinimumAverageMaximum
48°F55°F61°F

November

MinimumAverageMaximum
41°F45°F50°F

December

MinimumAverageMaximum
34°F39°F43°F

Monthly Water Temperature Histogram for Sullivan Lake

Sullivan Lake Weather

OCTOBER 3

41°F / 66°F
overcast

rain: 43% | wind: 6 mph

OCTOBER 4

37°F / 63°F
overcast

rain: 16% | wind: 13 mph

OCTOBER 5

36°F / 63°F
clear sky

rain: 16% | wind: 11 mph

OCTOBER 6

37°F / 66°F
clear sky

rain: 6% | wind: 2 mph

OCTOBER 7

39°F / 72°F
clear sky

rain: 2% | wind: 3 mph

Water Temperature in Sullivan Lake: General Trends and Swimming Opportunities

Sullivan Lake is located in the state of Washington, in the county of Pend Oreille, at an elevation of 2562 feet (781 meters) above sea level.

Sullivan Lake is a small lake. Its surface area is 2.00 sq mi (5.19 sq km). These are small water bodies often used for recreation, fishing, or irrigation.

The water temperature in Sullivan Lake varies throughout the year, ranging from 32°F (0°C) in January to 75°F (24°C) in August. The average annual water temperature of the lake is 48°F (9°C). The average monthly water temperature in Sullivan Lake exceeds 68 degrees Fahrenheit (20°C) only in August.

Geographical Location of Sullivan Lake

Frequently Asked Questions About Sullivan Lake and its Water Temperatures

What is the current water temperature in Sullivan Lake?

The water temperature today in Sullivan Lake is 60°F (15.8°C).

What is the water temperature in Sullivan Lake during the summer months?

The average water temperature in Sullivan Lake during the summer months is typically between 52°F to 70°F (11°C to 21°C), and it can reach up to 75°F (24°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Sullivan Lake in May?

The average water temperature in Sullivan Lake in May ranges from 39°F to 48°F (4°C to 9°C).

What is the water temperature in Sullivan Lake in September?

The average water temperature in Sullivan Lake in September is typically between 57°F to 66°F (14°C to 19°C).

Where is Sullivan Lake located?

Sullivan Lake is located in the United States in the state of Washington, in the county of Pend Oreille, at an elevation of 2562 feet (781 meters) above sea level. The surface area of the lake is 2.002 sq mi (5.19 sq km).

Is it possible to swim in Sullivan Lake and what are the possibilities for this?

Yes, it is possible to swim in Sullivan Lake in Washington. The lake is open for recreational swimming and also offers boating, fishing, and picnic spots.

What are the coordinates of Sullivan Lake?

Sullivan Lake is located at coordinates 48.8140°N 117.2930°W.

Is Lake Sullivan Lake a popular vacation spot among Americans?

Sullivan Lake enjoys local popularity among the residents of State Washington, and nationally, it ranks in the top 10 percent of all lakes in the country.

What species of fish can be found in Sullivan Lake?

Sullivan Lake is home to fish species such as Rainbow trout (best caught in Spring, Fall), Largemouth bass (Spring, Fall), Smallmouth bass (Spring, Fall), Yellow perch (Spring, Winter), Brown bullhead (Spring, Summer, Fall).