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Water Temperature in the Atlantic Ocean in Boston, Massachusetts: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Boston in Massachusetts, 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 Water Temperature in Boston
37°F
TODAY
37°F
YESTERDAY
37°F
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Atlantic Ocean in Boston is 2.8°F. Such water is extremely cold and not recommended for swimming without proper preparation. In these conditions, the risk of hypothermia is very high, and prolonged exposure to the water can be hazardous to your health. If you decide to swim, it is important to have the appropriate gear, such as a wetsuit. Typically, only experienced swimmers or those who practice winter swimming venture into such waters.
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.
Water Temperature Chart for Atlantic Ocean in Boston Over the Last 30 Days
The water temperature in Boston today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.
According to our forecast, the sea temperature in Boston will remain nearly unchanged in the coming days, its value will be 38°F.
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across United States to enhance accuracy.
Water temperature data for Boston and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Feb 15 | 37°F | 37°F | |
| Feb 16 | 37°F | 38°F | |
| Feb 17 | 37°F | 39°F | |
| Feb 18 | 37°F | 37°F | |
| Feb 19 | 37°F | 38°F | |
| Feb 20 | 37°F | 41°F | |
| Feb 21 | 37°F | 37°F | |
| Feb 22 | 37°F | 38°F | |
| Feb 23 | 37 | 37°F | |
| Feb 24 | 40 | 37°F | |
| Feb 25 | 37 | 37°F | |
| Feb 26 | 39 | 37°F | |
| Feb 27 | 40 | 38°F | |
| Feb 28 | 41 | 38°F | |
| Mar 1 | 40 | 38°F | |
| Mar 2 | 39 | 38°F |
Sea Temperature in Boston Throughout the Year
Throughout the year, the sea temperature in Boston exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 0 days, and exceeds 64°F (18°C) for 70 days.
Below is the annual chart of sea temperature changes in the Atlantic Ocean in Boston.
January
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 41°F | 45°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 39°F | 43°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 39°F | 43°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 39°F | 44°F | 48°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 43°F | 52°F | 61°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 50°F | 60°F | 70°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 59°F | 67°F | 75°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 63°F | 68°F | 73°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 59°F | 64°F | 70°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 48°F | 57°F | 66°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 45°F | 52°F | 59°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 39°F | 46°F | 52°F |
Monthly Water Temperature Histogram for Atlantic Ocean in Boston
You can explore detailed data on how the water temperature in Boston varies each month:
What Beaches Are There In and Around Boston?
Carson Beach
Carson Beach is a 4-stars sandy beach, located in a 3 km (2 miles) radius of Boston. There are lifeguards on the beach. There is parking. There are restrooms. Carson 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.
Orient Heights Beach
Orient Heights Beach is a 1-stars sandy beach, located in a 4 km (2 miles) radius of Boston.
Castle Island
Castle Island is a 2-stars sandy beach, located in a 4 km (2 miles) radius of Boston. There is parking. There are cafés.
Constitution Beach
Constitution Beach is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Boston. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Castle Island Beach
Castle Island Beach is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Boston. There is parking. There are restrooms. There are cafés. Castle Island 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.
Pleasure Bay
Pleasure Bay is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Boston. There are lifeguards on the beach. There is parking. There are cafés.
City Point Beach
City Point Beach is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Boston. There are restrooms. City Point Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
M Street Beach
M Street Beach is a 2-stars sandy beach, located in a 4 km (2 miles) radius of Boston. There is parking. There are restrooms.
L Street Beach
L Street Beach is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Boston. 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.
Constitution
Constitution is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Boston. 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.
Simon J. Donovan Beach
Simon J. Donovan Beach is a 4-stars sandy beach, located in a 5 km (3 miles) radius of Boston. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Simon J. Donovan Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.
Magazine Beach
Magazine Beach is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Boston. There is parking.
Donovan Beach
Donovan Beach is a 2-stars sandy beach, located in a 5 km (3 miles) radius of Boston. There is parking. There are cafés. Donovan Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Savin Hill And Malibu Beach
Savin Hill And Malibu Beach is a 1-stars sandy beach, located in a 6 km (4 miles) radius of Boston.
Savin Hill Beach
Savin Hill Beach is a 3-stars sandy beach, located in a 6 km (4 miles) radius of Boston. There are lifeguards on the beach. There are restrooms.
Malibu Beach
Malibu Beach is a 1-stars sandy beach, located in a 6 km (4 miles) radius of Boston.
Pico
Pico is a 1-stars sandy beach, located in a 6 km (4 miles) radius of Boston.
Savin Hill
Savin Hill is a 4-stars sandy beach, located in a 6 km (4 miles) radius of Boston. There are lifeguards on the beach. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Malibu
Malibu is a 3-stars sandy beach, located in a 6 km (4 miles) radius of Boston. There is parking. There are restrooms. Malibu 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.
Nickerson Beach
Nickerson Beach is a 3-stars sandy beach, located in a 7 km (4 miles) radius of Boston. There is parking. There are cafés. Nickerson Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. It is suitable for surfing.
Boston Weather
FEBRUARY 23
25°F / 39°F
overcast clouds: 85-100%humidity: 83% | wind: 1 mph
FEBRUARY 24
34°F / 50°F
broken clouds: 51-84%humidity: 82% | wind: 3 mph
FEBRUARY 25
34°F / 50°F
broken clouds: 51-84%humidity: 71% | wind: 2 mph
FEBRUARY 26
37°F / 45°F
clear skyhumidity: 70% | wind: 1 mph
Sea Temperature in the Atlantic Ocean in Boston: General Trends and Swimming Opportunities
The coastal region of Massachusetts, United States, experiences a humid continental climate with maritime influences. This climate is characterized by warm, humid summers and cold, wet winters, with significant precipitation throughout the year and possible heavy snowfall in winter months.
Boston is located in North America in the Northern Hemisphere at a latitude of 42 degrees, along the shores of the Atlantic Ocean. Boston lies within the Massachusetts in United States.
The average annual daytime air temperature in Boston is 59°F (15°C), with the average nighttime temperature being 41°F (5°C). The highest average daily temperature occurs in July, reaching 79°F (26°C), while the lowest is in January at 38°F (3°C). As for nighttime temperatures, the minimum average temperature of 20°F (-7°C) is recorded in January, and the maximum is in July, reaching 63°F (17°C).
According to historical data, Boston experiences 122 rainy days per year, which accounts for 33 percent of all days in the year. On average, there are 10 rainy days each month. The wettest month is December, with 12 rainy days and 4.1 inches (105 mm) of precipitation, while the driest month is September, which typically has 8 rainy days and only 3.6 inches (92 mm) of precipitation.
The average annual water temperature in Atlantic Ocean in Boston is 52°F (11°C). In February, the water reaches its lowest point of the year at 36°F (2°C), while in July, it peaks at 75°F (24°C). In Boston, the water temperature in the Atlantic Ocean never consistently reaches a comfortable level for swimming in any month.
Geographical Location of Boston
Nearby Cities
Frequently Asked Questions About Boston and its Water Temperatures
What is the current sea temperature in Boston?
The water temperature today in the Atlantic Ocean in Boston is 37°F (2.7°C).
In which months is the water temperature in Boston comfortable for swimming?
It cannot be guaranteed that the water temperature in Boston will be comfortable for swimming in any month of the year.
What is the water temperature in Boston during the winter?
The water temperature in the Atlantic Ocean in Boston during the winter ranges from 36°F to 52°F (2°C to 11°C).
What is the water temperature in Boston during the spring?
The water temperature in the Atlantic Ocean in Boston during the spring ranges from 36°F to 61°F (2°C to 16°C).
What is the water temperature in Boston during the summer?
The water temperature in the Atlantic Ocean in Boston during the summer ranges from 50°F to 75°F (10°C to 24°C).
What is the water temperature in Boston during the fall?
The water temperature in the Atlantic Ocean in Boston during the fall ranges from 45°F to 70°F (7°C to 21°C).
Is it possible to swim in the sea in Boston at any time of the year?
The Atlantic Ocean in Boston is quite cool, and swimming is only possible in June, July, August, and September when the water temperature reaches 70°F (21°C).
Is Boston a popular tourist destination for beach vacations?
Boston a fairly popular beach destination, offering good conditions for swimming and relaxation, with a steady flow of tourists, especially during peak seasons.
What sea temperatures can I expect in Boston in the next month?
In March, the water temperature in the Atlantic Ocean in Boston will range between 36°F (2°C) and 43°F (6°C)