All data are in degrees Fahrenheit

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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.
Sea temperature in Plymouth now

61.8

°F

July 6, 04:57

Trend:

increasing

Yesterday:

61.7°F

Tomorrow:

61.9°F

Sunrise:

05:13

Sunset:

21:29

Day Length:

16 h. 16 min.

Plymouth in July

Minimum:

50.3°F

Average:

51.4°F

Maximum:

52.3°F

Sea water temperature in Plymouth today

As of now, in Plymouth, the water temperature is 61.8°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 2.1°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 stay about the same.

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 62.5°F on 2018, while the historical minimum was 57.5°F on 2020.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 62.3°F, with minimum temperature starting at 61.9°F, while the maximum might reach 62.8°F.

Daily water temperature in Plymouth

Date Current Year

actual* / forecast**

last year 10 years average
Jun 22 62.4°F 58.8°F 59.0°F
Jun 23 61.8°F 59.2°F 59.3°F
Jun 24 60.7°F 59.5°F 59.4°F
Jun 25 60.1°F 60.1°F 59.5°F
Jun 26 60.3°F 60.4°F 59.8°F
Jun 27 61.3°F 60.1°F 59.8°F
Jun 28 61.5°F 59.5°F 59.8°F
Jun 29 61.5°F 60.0°F 59.6°F
Jun 30 61.6°F 59.9°F 59.9°F
Jul 1 61.4°F 60.0°F 60.0°F
Jul 2 62.1°F 59.9°F 59.9°F
Jul 3 61.4°F 59.9°F 60.0°F
Jul 4 61.8°F 59.5°F 59.8°F
Jul 5 61.7°F 59.5°F 59.6°F
Jul 6 61.8°F 59.3°F 59.7°F
Jul 7 61.9°F 59.1°F 59.8°F
Jul 8 62.1°F 59.2°F 59.9°F
Jul 9 62.1°F 59.1°F 60.0°F
Jul 10 62.5°F 59.2°F 60.3°F
Jul 11 62.5°F 59.6°F 60.4°F
Jul 12 62.6°F 59.9°F 60.5°F
Jul 13 62.8°F 60.4°F 60.7°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 August 15, 2022, reaching a 66.6°F. While the coldest temperature occurred on March 20, 2018, dipping to 45.6°F. The average readings by season are 50.9°F in Winter, 51.0°F in Spring, 60.3°F in Summer, and 59.1°F in Autumn.