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Wachusett Reservoir

Wachusett Reservoir Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Wachusett Reservoir, 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

76°F

TODAY

76°F

YESTERDAY

78°F

A WEEK AGO

As of today, the minimum water temperature in the Wachusett Reservoir ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health.

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 Wachusett Reservoir Over the Last 30 Days

Today the water temperature in Wachusett Reservoir is higher than the same day in previous years. The water temperature range here in August is from 72°F to 81°F. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Wachusett Reservoir 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
Jul 3078°F74°F
Jul 3178°F74°F
Aug 179°F76°F
Aug 278°F76°F
Aug 378°F76°F
Aug 477°F76°F
Aug 576°F76°F
Aug 676°F76°F
Aug 776°F76°F
Aug 876°F76°F
Aug 976°F76°F
Aug 1076°F76°F
Aug 1176°F76°F
Aug 1276°F76°F
Aug 1376°F76°F
Aug 1476°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 Wachusett Reservoir by Month

January

MinimumAverageMaximum
32°F36°F41°F

February

MinimumAverageMaximum
32°F35°F39°F

March

MinimumAverageMaximum
32°F37°F41°F

April

MinimumAverageMaximum
37°F45°F52°F

May

MinimumAverageMaximum
48°F55°F61°F

June

MinimumAverageMaximum
59°F64°F70°F

July

MinimumAverageMaximum
68°F74°F81°F

August

MinimumAverageMaximum
72°F76°F81°F

September

MinimumAverageMaximum
68°F72°F77°F

October

MinimumAverageMaximum
57°F61°F66°F

November

MinimumAverageMaximum
41°F46°F50°F

December

MinimumAverageMaximum
34°F38°F43°F

Monthly Water Temperature Histogram for Wachusett Reservoir

Known Beaches in the Area of Wachusett Reservoir?

Sterling Town Beach

Sterling Town Beach is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Wachusett Reservoir. There is parking. There are restrooms. Snorkeling is possible.

Wachusett Reservoir Weather

AUGUST 7

61°F / 79°F
light drizzle

rain: 2% | wind: 7 mph

AUGUST 8

55°F / 84°F
mainly clear

rain: 1% | wind: 11 mph

AUGUST 9

57°F / 86°F
overcast

rain: 1% | wind: 11 mph

AUGUST 10

59°F / 93°F
overcast

rain: 3% | wind: 9 mph

AUGUST 11

64°F / 97°F
partly cloudy

rain: 3% | wind: 9 mph

Water Temperature in Wachusett Reservoir: General Trends and Swimming Opportunities

Wachusett Reservoir is located in the state of Massachusetts, in the county of Worcester, at an elevation of 377 feet (115 meters) above sea level.

Wachusett Reservoir is a medium lake. Its surface area is 6.2 sq mi (16.1 sq km). Typically versatile lakes with developed ecosystems; popular for water sports and tourism.

The water temperature in Wachusett Reservoir varies throughout the year, ranging from 32°F (0°C) in January to 81°F (27°C) in July. The average annual water temperature of the lake is 54°F (12°C). The months when the average water temperature in Wachusett Reservoir exceeds 68 degrees Fahrenheit (20°C) are July, August and September.

The nearest cities ans towns to Wachusett Reservoir are: Boylston, West Boylston, Sterling, Clinton, Berlin, Shrewsbury, South Lancaster, Northborough, Lancaster, Holden in Massachusetts.

Geographical Location of Wachusett Reservoir

Frequently Asked Questions About Wachusett Reservoir and its Water Temperatures

What is the current water temperature in Wachusett Reservoir?

The water temperature today in Wachusett Reservoir is 76°F (24.7°C).

What is the water temperature in Wachusett Reservoir during the summer months?

The average water temperature in Wachusett Reservoir during the summer months is typically between 64°F to 77°F (18°C to 25°C), and it can reach up to 81°F (27°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Wachusett Reservoir in May?

The average water temperature in Wachusett Reservoir in May ranges from 48°F to 57°F (9°C to 14°C).

What is the water temperature in Wachusett Reservoir in September?

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

Where is Wachusett Reservoir located?

Wachusett Reservoir is located in the United States in the state of Massachusetts, in the county of Worcester, at an elevation of 377 feet (115 meters) above sea level. The surface area of the lake is 6.198 sq mi (16.05 sq km).

Is it possible to swim in Wachusett Reservoir and what are the possibilities for this?

No, it is not possible to swim in Wachusett Reservoir, as it's a primary source of drinking water for Boston, Massachusetts, and swimming is strictly prohibited to maintain water quality.

What are the coordinates of Wachusett Reservoir?

Wachusett Reservoir is located at coordinates 42.3740°N 71.7380°W.

Is Lake Wachusett Reservoir a popular vacation spot among Americans?

Wachusett Reservoir is among the top 1,000 most popular lakes in the United States, which is impressive considering there are tens of thousands of lakes in the country.