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Water temperature in Greencastle (IN) in April

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Is it warm enough to swim in Greencastle in April? Average water temperature in Greencastle in April is 52.2°F and therefore is not suitable for comfortable swimming. The warmest water in Greencastle in April is 66.2°F, and the coldest is 41°F. To find out the water temperature today and in the coming days, go to Current water temperature in Greencastle

Changes water temperature in Greencastle in April 2025, 2024

To get an accurate forecast for the water temperature in Greencastle for any chosen month, compare two years within a 10 year range using the chart below.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024
April 151.8°F53.6°F
April 251.8°F53.6°F
April 353.6°F51.8°F
April 450°F48.2°F
April 550°F48.2°F
April 648.2°F46.4°F
April 746.4°F46.4°F
April 844.6°F50°F
April 944.6°F53.6°F
April 1042.8°F55.4°F
April 1144.6°F57.2°F
April 1246.4°F59°F
April 1350°F57.2°F
April 1451.8°F59°F
April 1551.8°F59°F
Day 2025 2024
April 1655.4°F62.6°F
April 1757.2°F62.6°F
April 1855.4°F62.6°F
April 1957.2°F60.8°F
April 2060.8°F57.2°F
April 2160.8°F55.4°F
April 2260.8°F51.8°F
April 2364.4°F50°F
April 2462.6°F50°F
April 2560.8°F51.8°F
April 2660.8°F57.2°F
April 2762.6°F59°F
April 2862.6°F60.8°F
April 2962.6°F62.6°F
April 3062.6°F66.2°F

Greencastle 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 April?

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

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

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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 Greencastle 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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