What is the current water temperature in Plymouth?

Q: What is the current water temperature in Plymouth?

As of now, in Plymouth, the water temperature is 11.8°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.

United States > Plymouth

Water temperature in Plymouth

Detailed information about the current water temperature in Plymouth. 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.

53.2

°F

November 14, 09:35

Trend:

decreasing

Yesterday:

53.6°F

Tomorrow:

52.6°F

Sunrise:

06:31

Sunset:

16:23

Day Length:

9 h. 52 min.

Plymouth in November

Minimum:

36.8°F

Average:

40.3°F

Maximum:

44.7°F

Sea water temperature in Plymouth today

As of now, in Plymouth, the water temperature is 53.2°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 0.4°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 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 56.1°F on 2022, while the historical minimum was 50.9°F on 2025.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 51.8°F, the minimum temperature may reach 51.3°F, and the maximum might stay at 52.6°F.

Daily water temperature in Plymouth

Date	Current Year actual* / forecast**	last year	10 years average
Oct 31	55.6°F	55.0°F	55.7°F
Nov 1	55.0°F	55.0°F	55.5°F
Nov 2	54.4°F	54.7°F	55.3°F
Nov 3	54.3°F	53.9°F	55.2°F
Nov 4	54.3°F	53.9°F	55.0°F
Nov 5	55.9°F	52.7°F	54.7°F
Nov 6	56.0°F	52.9°F	54.3°F
Nov 7	55.8°F	51.8°F	54.6°F
Nov 8	55.6°F	52.3°F	54.1°F
Nov 9	54.9°F	52.2°F	53.8°F
Nov 10	55.3°F	52.3°F	53.7°F
Nov 11	54.4°F	50.8°F	53.3°F
Nov 12	54.0°F	51.0°F	53.2°F
Nov 13	53.6°F	51.1°F	53.2°F
Nov 14	53.2°F	50.9°F	52.8°F
Nov 15	52.6°F	50.5°F	52.2°F
Nov 16	52.3°F	50.7°F	51.9°F
Nov 17	51.8°F	51.0°F	51.4°F
Nov 18	51.6°F	50.2°F	51.2°F
Nov 19	51.5°F	49.1°F	51.1°F
Nov 20	51.4°F	49.6°F	50.9°F
Nov 21	51.3°F	49.9°F	50.9°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 Plymouth by month

In an average year, Plymouth offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Plymouth was recorded on July 31, 2020, reaching a 76.3°F. While the coldest temperature occurred on February 16, 2026, dipping to 32.5°F. The average readings by season are 41.0°F in Winter, 45.1°F in Spring, 65.2°F in Summer, and 58.7°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
South Boston	53.1°F	32mi
Boston	53.1°F	34mi
Bristol	55.0°F	36mi
Providence	54.3°F	39mi

* current water temperature in this city

** straight line distance from Plymouth