All data are in degrees Fahrenheit

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Water temperature in Boston

Detailed information about the current water temperature in Boston. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Boston now

83.4

°F

March 15, 11:07

Trend:

stable

Yesterday:

83.4°F

Tomorrow:

83.7°F

Sunrise:

05:42

Sunset:

17:46

Day Length:

12 h. 4 min.

Boston in March

Minimum:

81.6°F

Average:

83.1°F

Maximum:

83.9°F

Sea water temperature in Boston today

As of now, in Boston, the water temperature is 83.4°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 0.6°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 83.7°F on 2018, while the historical minimum was 81.4°F on 2015.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 83.6°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Boston

Date Current Year

actual* / forecast**

last year 10 years average
Mar 1 82.5°F 82.5°F 82.3°F
Mar 2 82.6°F 82.4°F 82.4°F
Mar 3 82.5°F 81.8°F 82.3°F
Mar 4 82.4°F 81.5°F 82.2°F
Mar 5 82.5°F 81.7°F 82.2°F
Mar 6 82.5°F 82.3°F 82.3°F
Mar 7 82.4°F 83.2°F 82.3°F
Mar 8 82.7°F 83.3°F 82.5°F
Mar 9 82.7°F 82.5°F 82.4°F
Mar 10 82.7°F 82.7°F 82.5°F
Mar 11 82.8°F 82.9°F 82.5°F
Mar 12 83.3°F 82.9°F 82.7°F
Mar 13 83.0°F 82.7°F 82.7°F
Mar 14 83.4°F 82.6°F 82.7°F
Mar 15 83.4°F 82.6°F 82.7°F
Mar 16 83.7°F 83.5°F 83.0°F
Mar 17 83.7°F 83.6°F 83.1°F
Mar 18 83.6°F 83.1°F 83.0°F
Mar 19 83.7°F 83.4°F 83.1°F
Mar 20 83.6°F 83.2°F 83.0°F
Mar 21 83.5°F 83.0°F 82.9°F
Mar 22 83.6°F 82.9°F 83.0°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Boston by month

In Boston, the water temperature is comfortable for swimming all year round.
The warmest water in Boston was recorded on October 19, 2024, reaching a 87.6°F. While the coldest temperature occurred on February 10, 2019, dipping to 79.9°F. The average readings by season are 82.9°F in Winter, 84.0°F in Spring, 85.5°F in Summer, and 85.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Santa Maria 83.4°F 10mi
Barcelona 83.6°F 20mi
Santiago 83.2°F 43mi
Tarragona 83.5°F 57mi
La Paz 82.1°F 58mi
Davao 82.5°F 75mi

* current water temperature in this city

** straight line distance from Boston