World sea water temperatures

Water temperature in Onset (MA) in October

Is it warm enough to swim in Onset in October? Average water temperature in Onset in October is 61.7°F and therefore is not suitable for comfortable swimming. The warmest sea in Onset in October is 67.5°F, and the coldest is 54.9°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 October 2024, 2023

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 October.

You can choose any other years:

Year 1:   Year 2:


Day 2024 2023 Min Max
October 165.7°F63.5°F63.5°F67.5°F
October 265.8°F63.5°F63.1°F67.3°F
October 363.9°F63.3°F63.1°F67.1°F
October 464.4°F63.7°F62.6°F66.7°F
October 566°F64.8°F62.2°F66.9°F
October 663.9°F66.7°F62.1°F66.7°F
October 764.2°F66.2°F61.5°F66.2°F
October 863.9°F65.1°F61°F66.2°F
October 964.2°F64.8°F60.6°F66°F
October 1063°F63.1°F59.7°F66.9°F
October 1162.6°F63.9°F59.5°F66.2°F
October 1261.5°F62.6°F59°F65.7°F
October 1361.7°F63.1°F59.9°F65.8°F
October 1461.5°F62.4°F60.4°F66°F
October 1561.2°F63.7°F59.7°F66.4°F
Day 2024 2023 Min Max
October 1659.9°F62.6°F59.2°F65.1°F
October 1759.4°F62.8°F59.4°F65.8°F
October 1859°F63°F58.6°F65.1°F
October 1958.8°F61.5°F58.1°F64.6°F
October 2058.6°F61.9°F58.3°F63.9°F
October 2158.8°F61.7°F57.6°F63.3°F
October 2258.1°F60.3°F57°F63.5°F
October 2359.4°F59.5°F56.1°F63.3°F
October 2459.7°F59°F56.1°F62.8°F
October 2558.5°F59.7°F55.9°F62.8°F
October 2658.6°F59.9°F56.7°F63.3°F
October 2758.5°F59.9°F56.3°F63.1°F
October 2857°F61.5°F55.9°F62.2°F
October 2956.8°F60.8°F55.9°F61.9°F
October 3057.2°F60.1°F55°F61.3°F
October 3157.2°F59.5°F54.9°F60.8°F
Onset water temp chart in October

Average water temperature in Onset in October over a decade

20152016201720182019
60.8°F62.1°F64°F62.2°F60.4°F
20202021202220232024
61.9°F64.2°F60.8°F62.4°F61°F

Onset sea state in October

Chart comparing the height of waves in Onset in October 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 October

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 October?

Want to know where the water temperature in October 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 October. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Weweantic61.7°F54.9°F67.5°F
Monument Beach62.1°F54.9°F68.9°F
Pocasset62.1°F54.9°F68.9°F
Old Silver Beach62.1°F54.9°F68.9°F
Wareham62.1°F54.9°F68.9°F
Bourne62.1°F54.9°F68.9°F
North Falmouth62.1°F54.9°F68.9°F
Little Harbor Beach62.1°F54.9°F68.9°F
Buzzards Bay62.1°F54.9°F69.3°F
East Wareham62.1°F54.9°F69.3°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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