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United States > South Boston

Water temperature in South Boston

Detailed information about the current water temperature in South 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 South Boston now

49.4

°F

November 21, 04:53

Trend:

stable

Yesterday:

49.4°F

Tomorrow:

49.2°F

Sunrise:

06:43

Sunset:

16:17

Day Length:

9 h. 34 min.

South Boston in November

Minimum:

38.9°F

Average:

41.1°F

Maximum:

44.7°F

Sea water temperature in South Boston today

As of now, in South Boston, the water temperature is 49.4°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is about the same as 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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 51.5°F on 2016, while the historical minimum was 46.4°F on 2019.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 48.6°F, the minimum temperature may reach 48.0°F, and the maximum might stay at 49.2°F.

Daily water temperature in South Boston

Date Current Year

actual* / forecast**

 last year 10 years average
Nov 7 55.9°F 51.6°F 53.2°F
Nov 8 54.8°F 52.3°F 53.3°F
Nov 9 54.0°F 52.0°F 52.5°F
Nov 10 53.5°F 51.8°F 52.0°F
Nov 11 53.3°F 49.3°F 51.8°F
Nov 12 53.3°F 50.9°F 51.8°F
Nov 13 53.3°F 49.8°F 51.8°F
Nov 14 53.0°F 50.1°F 51.5°F
Nov 15 50.1°F 49.9°F 51.0°F
Nov 16 49.8°F 50.2°F 50.5°F
Nov 17 49.0°F 48.3°F 49.8°F
Nov 18 49.0°F 48.8°F 49.7°F
Nov 19 49.7°F 49.1°F 49.6°F
Nov 20 49.4°F 49.6°F 49.4°F
Nov 21 49.4°F 47.4°F 49.3°F
Nov 22 49.2°F 47.4°F 49.1°F
Nov 23 49.0°F 46.4°F 48.9°F
Nov 24 48.8°F 47.7°F 48.7°F
Nov 25 48.4°F 47.7°F 48.3°F
Nov 26 48.2°F 47.6°F 48.1°F
Nov 27 48.3°F 47.8°F 48.1°F
Nov 28 48.0°F 45.1°F 47.9°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 South Boston by month

January

February

March

April

May

June

July

August

September

October

November

December

In an average year, South Boston offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in South Boston was recorded on July 29, 2020, reaching a 75.0°F. While the coldest temperature occurred on February 22, 2021, dipping to 33.7°F. The average readings by season are 41.3°F in Winter, 44.9°F in Spring, 64.8°F in Summer, and 58.0°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Boston 49.4°F 2mi
Salem 50.0°F 15mi
Plymouth 50.8°F 32mi
Providence 51.2°F 40mi
Bristol 51.5°F 47mi

* current water temperature in this city

** straight line distance from South Boston