What is the current water temperature in South Boston?

Q: What is the current water temperature in South Boston?

As of now, in South Boston, the water temperature is 16.9°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

62.4

°F

June 10, 09:07

Trend:

increasing

Yesterday:

61.1°F

Tomorrow:

63.1°F

Sunrise:

05:07

Sunset:

20:20

Day Length:

15 h. 13 min.

South Boston in June

Minimum:

38.9°F

Average:

41.7°F

Maximum:

44.2°F

Sea water temperature in South Boston today

As of now, in South Boston, the water temperature is 62.4°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 3.7°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 62.4°F on 2022, while the historical minimum was 55.2°F on 2017.

latest data

last year

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 63.7°F, with minimum temperature starting at 63.1°F, while the maximum might reach 64.6°F.

Daily water temperature in South Boston

Date	Current Year actual* / forecast**	last year	10 years average
May 27	56.8°F	52.5°F	55.5°F
May 28	57.5°F	53.9°F	55.7°F
May 29	58.4°F	54.3°F	56.4°F
May 30	58.3°F	54.7°F	56.9°F
May 31	57.2°F	54.6°F	56.9°F
Jun 1	56.2°F	56.2°F	57.2°F
Jun 2	56.5°F	56.1°F	57.4°F
Jun 3	56.1°F	54.2°F	57.5°F
Jun 4	58.0°F	55.1°F	57.9°F
Jun 5	60.0°F	57.0°F	58.4°F
Jun 6	61.1°F	56.7°F	58.4°F
Jun 7	59.7°F	58.5°F	58.4°F
Jun 8	61.4°F	60.7°F	59.1°F
Jun 9	61.1°F	59.3°F	59.1°F
Jun 10	62.4°F	58.8°F	58.7°F
Jun 11	63.1°F	58.5°F	59.4°F
Jun 12	63.2°F	58.4°F	59.6°F
Jun 13	63.8°F	60.4°F	60.2°F
Jun 14	63.4°F	60.4°F	59.8°F
Jun 15	63.7°F	59.4°F	60.0°F
Jun 16	64.2°F	59.3°F	60.5°F
Jun 17	64.6°F	60.7°F	60.9°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

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 1, 2026, dipping to 32.0°F. The average readings by season are 40.7°F in Winter, 45.4°F in Spring, 65.1°F in Summer, and 58.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Boston	62.4°F	2mi
Salem	58.6°F	15mi
Plymouth	61.1°F	32mi
Providence	66.0°F	40mi
Bristol	65.7°F	47mi

* current water temperature in this city

** straight line distance from South Boston