World sea water temperatures

Water temperature in Lake Forest (IL) in June

Is it warm enough to swim in Lake Forest in June? Average water temperature in Lake Forest in June is 60.3°F and therefore is not suitable for comfortable swimming. The warmest water in Lake Forest in June is 72.1°F, and the coldest is 49.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Lake Forest

Changes water temperature in Lake Forest in June 2025, 2024

To get an accurate forecast for the water temperature in Lake Forest for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Lake Forest, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of June.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
June 151.8°F59.4°F49.8°F60.4°F
June 254°F60.4°F50.4°F62.8°F
June 355°F60.3°F50.2°F62.6°F
June 454.3°F62.1°F50.5°F62.1°F
June 555.2°F61.2°F51.6°F61.5°F
June 655.2°F61°F51.4°F61.7°F
June 756.1°F59.7°F51.1°F60.8°F
June 856.3°F59.4°F51.8°F62.2°F
June 957.7°F58.5°F52.5°F64.2°F
June 1057.4°F57.9°F52.7°F67.1°F
June 1158.5°F57.6°F53.1°F69.1°F
June 1258.8°F59.5°F54.1°F70.5°F
June 1359°F61.3°F54.5°F72.1°F
June 1459.2°F61.9°F55.6°F69.4°F
June 1558.6°F62.1°F55.9°F67.1°F
Day 2025 2024 Min Max
June 1659.2°F61.2°F54.3°F66.2°F
June 1761.2°F63.1°F53.8°F66.6°F
June 1861.2°F64°F53.1°F67.8°F
June 1961.2°F63.5°F54.1°F67.3°F
June 2064.2°F64.2°F54.5°F67.3°F
June 2164.8°F66.7°F55°F66.7°F
June 22 66.4°F54.9°F66.7°F
June 2364.8°F66.7°F55.9°F67.1°F
June 2464.4°F67.6°F56.5°F67.8°F
June 2564.8°F65.7°F55.6°F68.2°F
June 2668.2°F66.4°F56.8°F69.1°F
June 2770.5°F66°F58.3°F70.5°F
June 2868.7°F65.3°F59.2°F68.7°F
June 2970.3°F66.2°F60.1°F70.3°F
June 3070.3°F66.2°F60.4°F70.5°F
Lake Forest water temp chart in June

Average water temperature in Lake Forest in June over a decade

20162017201820192020
63.7°F59.2°F58.8°F55.4°F61.5°F
20212022202320242025
63.9°F62.4°F62.1°F62.8°F60.6°F

Lake Forest sea state in June

Chart comparing the height of waves in Lake Forest in June 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 Lake Forest in June

Lake Forest water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Water temperature Lake Michigan in June

Where is the warm sea water in June?

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

AvrMinMax
Illinois Beach State Park58.5°F47.7°F70.3°F
Evanston61.3°F50.4°F72.3°F
Rogers Park61.3°F50.4°F72.3°F
Winthrop Harbor57.9°F47.1°F70°F
Montrose Beach61.7°F51.3°F72.7°F
Foster Beach61.7°F51.3°F72.7°F
Simmons Island Beach57.2°F46.8°F69.3°F
Oak Street Beach62.6°F54.1°F72.5°F
North Avenue Beach62.6°F54.1°F72.5°F
Chicago62.4°F54°F72.7°F

Illinois photo gallery

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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 Lake Forest 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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