Osterville Water Temperature
(Today) 2022
Current weather
19°C / 67°F
(clear sky)

Wind
9 mph
Humidity
64%
The measurements for the water temperature in Osterville, Massachusetts are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.
Monthly average water temp
Monthly average max / min water temperatures
The graph below shows the range of monthly Osterville water temperature derived from many years of historical sea surface temperature data.

Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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Min °C | 2.9 | 2 | 1.6 | 3.6 | 7.1 | 11 | 16.1 | 18.5 | 17.2 | 12.7 | 9.6 | 5.1 |
Max °C | 7.4 | 4.9 | 5.7 | 9.7 | 13.3 | 18.6 | 21.9 | 21.9 | 20.3 | 18.9 | 13.9 | 11.4 |
Min °F | 39 | 36.7 | 36.5 | 40.9 | 47.3 | 54.8 | 63.3 | 66.7 | 64.2 | 57.3 | 51 | 43.7 |
Max °F | 43.5 | 39.6 | 40.6 | 47 | 53.5 | 62.4 | 69.1 | 70.1 | 67.3 | 63.5 | 55.3 | 50 |
The warmest water temperature is in August with an average around 68.4°F / 20.2°C. The coldest month is February with an average water temperature of 38.1°F / 3.4°C.
7 day tide forecast for Osterville
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*These tide times are estimates based on the nearest accurate location (Cotuit Highlands, Nantucket Sound, Massachusetts) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.