Indiana water temperature in August

Can you swim in Indiana in summer? In August sea water temperature throughout Indiana warms above 68°F and it is enough for a comfortable bath. Based on average water temperature observations over the past ten years, the warmest water temperature in Indiana in August was 73.4°F (in Whiting), and the coldest 73.2°F (in Gary). To find out the sea temperature today and in the coming days, go to Current sea temperature in Indiana

Indiana surface temperature in August

Indiana cities and resorts with the values of the average water temperature in August 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 Indiana any day over a period of the last ten years, select the month

Places with the warmest average water temperature in Indiana in August. Also indicated are the maximum and minimum temperatures in August for these locations based on observations over the past 10 years

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Our report for United States 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.