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 0.26°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.

32.5

°F

February 16, 22:54

Trend:

stable

Yesterday:

32.6°F

Tomorrow:

32.9°F

Sunrise:

06:38

Sunset:

17:17

Day Length:

10 h. 39 min.

Plymouth in February

Minimum:

40.1°F

Average:

42.2°F

Maximum:

45.9°F

Sea water temperature in Plymouth today

As of now, in Plymouth, the water temperature is 32.5°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 5.3°F lower 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

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 39.8°F on 2017, while the historical minimum was 34.6°F on 2025.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 32.5°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Plymouth

Date	Current Year actual* / forecast**	last year	10 years average
Feb 2	33.3°F	35.7°F	38.2°F
Feb 3	34.9°F	36.3°F	38.3°F
Feb 4	35.1°F	36.6°F	38.4°F
Feb 5	34.6°F	36.2°F	37.9°F
Feb 6	34.5°F	35.9°F	37.8°F
Feb 7	34.3°F	35.3°F	37.6°F
Feb 8	34.7°F	35.7°F	37.8°F
Feb 9	33.3°F	35.3°F	37.6°F
Feb 10	33.4°F	35.1°F	37.5°F
Feb 11	33.2°F	34.6°F	37.5°F
Feb 12	33.4°F	35.2°F	37.7°F
Feb 13	33.4°F	35.5°F	37.7°F
Feb 14	33.5°F	35.3°F	37.5°F
Feb 15	32.6°F	34.2°F	37.4°F
Feb 16	32.5°F	34.6°F	37.7°F
Feb 17	32.9°F	34.8°F	38.2°F
Feb 18	32.7°F	34.9°F	38.0°F
Feb 19	32.8°F	34.6°F	38.0°F
Feb 20	32.4°F	34.7°F	37.7°F
Feb 21	32.3°F	34.2°F	37.6°F
Feb 22	32.0°F	32.9°F	37.3°F
Feb 23	32.1°F	33.7°F	37.4°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 15, 2026, dipping to 32.6°F. The average readings by season are 41.0°F in Winter, 45.1°F in Spring, 65.2°F in Summer, and 58.8°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
South Boston	32.9°F	32mi
Boston	32.1°F	34mi
Bristol	32.3°F	36mi
Providence	33.2°F	39mi

* current water temperature in this city

** straight line distance from Plymouth