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Mercer County Lake

Mercer County Lake Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Mercer County 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

79°F

TODAY

79°F

YESTERDAY

79°F

A WEEK AGO

As of today, the minimum water temperature in the Mercer County Lake ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays.

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 Mercer County Lake Over the Last 30 Days

Today the water temperature in Mercer County Lake is lower than the same day in previous years. The water temperature range here in August is from 77°F to 88°F. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Mercer County 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
Aug 2379°F82°F
Aug 2479°F82°F
Aug 2579°F82°F
Aug 2679°F82°F
Aug 2779°F82°F
Aug 2879°F82°F
Aug 2979°F82°F
Aug 3079°F82°F
Aug 3182°F79°F
Sep 173°F79°F
Sep 273°F78°F
Sep 373°F78°F
Sep 473°F77°F
Sep 573°F77°F
Sep 673°F76°F
Sep 773°F76°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 Mercer County Lake by Month

January

MinimumAverageMaximum
34°F39°F45°F

February

MinimumAverageMaximum
34°F39°F45°F

March

MinimumAverageMaximum
34°F42°F50°F

April

MinimumAverageMaximum
48°F58°F68°F

May

MinimumAverageMaximum
63°F67°F72°F

June

MinimumAverageMaximum
61°F73°F86°F

July

MinimumAverageMaximum
75°F83°F91°F

August

MinimumAverageMaximum
77°F82°F88°F

September

MinimumAverageMaximum
68°F73°F77°F

October

MinimumAverageMaximum
54°F58°F63°F

November

MinimumAverageMaximum
41°F45°F50°F

December

MinimumAverageMaximum
37°F41°F45°F

Monthly Water Temperature Histogram for Mercer County Lake

Mercer County Lake Weather

AUGUST 30

52°F / 77°F
clear sky

rain: 0% | wind: 9 mph

AUGUST 31

55°F / 79°F
overcast

rain: 0% | wind: 9 mph

SEPTEMBER 1

59°F / 79°F
overcast

rain: 2% | wind: 11 mph

SEPTEMBER 2

57°F / 81°F
overcast

rain: 3% | wind: 9 mph

SEPTEMBER 3

57°F / 82°F
overcast

rain: 7% | wind: 12 mph

SEPTEMBER 4

63°F / 81°F
light drizzle

rain: 20% | wind: 9 mph

Water Temperature in Mercer County Lake: General Trends and Swimming Opportunities

Mercer County Lake is located in the state of New Jersey, in the county of Mercer, at an elevation of 59 feet (18 meters) above sea level.

Mercer County Lake is a small lake. Its surface area is 0.45 sq mi (1.17 sq km). These are small water bodies often used for recreation, fishing, or irrigation.

The water temperature in Mercer County Lake varies throughout the year, ranging from 34°F (1°C) in March to 91°F (33°C) in July. The average annual water temperature of the lake is 61°F (16°C). The months when the average water temperature in Mercer County Lake exceeds 68 degrees Fahrenheit (20°C) are June, July, August and September.

The nearest cities ans towns to Mercer County Lake are: Mercerville-Hamilton Square, Hamilton Square, Mercerville, Robbinsville, Princeton Junction, Lawrenceville, Plainsboro Center, Princeton, Princeton Meadows, Yardville in New Jersey.

Geographical Location of Mercer County Lake

Frequently Asked Questions About Mercer County Lake and its Water Temperatures

What is the current water temperature in Mercer County Lake?

The water temperature today in Mercer County Lake is 79°F (26.1°C).

What is the water temperature in Mercer County Lake during the summer months?

The average water temperature in Mercer County Lake during the summer months is typically between 82°F to 89°F (28°C to 32°C), and it can reach up to 91°F (33°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Mercer County Lake in May?

The average water temperature in Mercer County Lake in May ranges from 63°F to 72°F (17°C to 22°C).

What is the water temperature in Mercer County Lake in September?

The average water temperature in Mercer County Lake in September is typically between 68°F to 77°F (20°C to 25°C).

Where is Mercer County Lake located?

Mercer County Lake is located in the United States in the state of New Jersey, in the county of Mercer, at an elevation of 59 feet (18 meters) above sea level. The surface area of the lake is 0.453 sq mi (1.17 sq km).

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

Yes, it is possible to swim in Mercer County Lake, New Jersey. However, swimming is only permitted during specific times and seasons, and often supervised by lifeguards, assuming you follow local rules and regulations.

What are the coordinates of Mercer County Lake?

Mercer County Lake is located at coordinates 40.2680°N 74.6510°W.

Is Lake Mercer County Lake a popular vacation spot among Americans?

Mercer County Lake enjoys local popularity among the residents of State New Jersey, and nationally, it ranks in the top 10 percent of all lakes in the country.