Cape Cod Bay water temperature in October

How cold is Cape Cod Bay water in autumn? In October sea water temperature throughout Cape Cod Bay is not yet warm enough for swimming and does not exceed 20°C. Based on average water temperature observations over the past ten years, the warmest sea in Cape Cod Bay in October was 15.5°C (in Barnstable), and the coldest water 14.7°C (in North Truro). To find out the sea temperature today and in the coming days, go to Current sea temperature in Cape Cod Bay

Cape Cod Bay sea surface temp in October

Cape Cod Bay cities and resorts with the values of the average water temperature in October in recent years.
For more detailed information about water temperature, surf forecast, weather and time of sunrise and sunset in any specific area of your interest, just click on a city name. For ease of search, all places are also grouped by the first letter of the name.

To find out what the water temperature was in Cape Cod Bay any day over a period of the last ten years, select the month

Places with the warmest average sea water temperature in Cape Cod Bay in October. Also indicated are the maximum and minimum temperatures in October for these locations based on observations over the past 10 years

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Our report for 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.