World sea water temperatures

Water temperature in Onset (MA) in June

Is it warm enough to swim in Onset in June? Average water temperature in Onset in June is 63.7°F and therefore is not suitable for comfortable swimming. The warmest sea in Onset in June is 75.4°F, and the coldest is 55.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Onset

Changes water temperature in Onset in June 2025, 2024

To get an accurate forecast for the water temperature in Onset for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Onset, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of June.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
June 158.8°F61.9°F56.1°F63°F
June 258.1°F61.3°F55.8°F63.3°F
June 359.5°F63.7°F56.3°F64°F
June 460.4°F64.6°F56.7°F64.6°F
June 562.2°F64°F56.8°F64°F
June 663.5°F63.9°F56.5°F64°F
June 763.3°F66.4°F57°F66.4°F
June 863°F66°F57.4°F66°F
June 963.1°F65.3°F57.4°F67.1°F
June 1062.4°F64.8°F57.6°F64.9°F
June 1164.4°F65.7°F57.9°F65.7°F
June 1265.5°F66.9°F58.6°F66.9°F
June 1364°F68°F58.1°F68°F
June 1463.7°F67.6°F57°F67.8°F
June 1563.3°F69.8°F57°F69.8°F
Day 2025 2024 Min Max
June 1664.6°F66.9°F57.9°F67.3°F
June 1763.5°F68.4°F59°F68.4°F
June 1867.1°F68.7°F60.3°F68.7°F
June 1965.5°F69.8°F60.6°F69.8°F
June 2067.1°F69.4°F60.8°F69.4°F
June 2165.8°F69.4°F60.8°F69.4°F
June 22 69.1°F59.4°F69.1°F
June 2370°F70.2°F58.1°F71.4°F
June 2473°F72.3°F58.6°F73°F
June 2575.4°F72.9°F60.4°F75.4°F
June 2674.5°F70.3°F61°F74.5°F
June 2770.9°F73.4°F61.2°F73.4°F
June 2868.7°F72°F61°F72°F
June 2970.7°F72.3°F61.9°F73.4°F
June 3068.4°F72°F61.9°F72.5°F
Onset water temp chart in June

Average water temperature in Onset in June over a decade

20162017201820192020
64.2°F62.4°F63.9°F64.8°F66°F
20212022202320242025
65.8°F65.8°F64.4°F67.8°F65.5°F

Onset sea state in June

Chart comparing the height of waves in Onset in June over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Onset in June

Onset water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in June?

Want to know where the water temperature in June is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in June. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Weweantic63.7°F55.8°F75.9°F
Monument Beach63.5°F55.8°F73.2°F
Pocasset63.5°F55.8°F73.2°F
Old Silver Beach63.5°F55.8°F73.2°F
Wareham63.5°F55.8°F73.2°F
Bourne63.5°F55.8°F73.2°F
North Falmouth63.5°F55.8°F73.2°F
Little Harbor Beach63.5°F55.8°F73.2°F
Buzzards Bay63.1°F55.8°F72.3°F
East Wareham63.1°F55.8°F72.3°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Onset is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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