Chicago water temp

This data the coastal Chicago water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current water temperature in Chicago

Water temperature in Chicago today is 68.7°F. Based on our historical data over a period of ten years, the warmest water in this day in Chicago was recorded in 2017 and was 70.5°F, and the coldest was recorded in 2012 at 63.5°F. Water temperature in Chicago is expected to drop to 63°F in the next 10 days. September average water temperature in Chicago is 69.1°F, the minimum temperature is 62.4°F, and the maximum is 75.2°F.

The swimming season in Chicago lasts from July to September. During those months, Chicago water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Chicago in winter reaches 36.7°F, in spring 43.3°F, in summer the average temperature rises to 68.9°F, and in autumn it is 59.2°F.

Chicago water temperature now

Surf Forecast in Chicago for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Chicago. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Chicago. Data in table shown for September 26, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Chicago

Chicago weather forecast

Current temperature and weather

Data in a table show Chicago temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Chicago.

0-3 h	3-6 h	6-9 h	9-12 h
58.6°F	56.7°F	55.9°F	64.4°F

12-15 h	15-18 h	18-21 h	21-24 h
82°F	84°F	78.8°F	73.4°F

Chicago water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Chicago. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Chicago on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Chicago

Lake Michigan temperature water

The nearest beaches and cities from Chicago with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Ohio Street Beach	68.7°F	84.2°F		0' 7"
Monroe Harbor	68.7°F	84.2°F		0' 7"
Oak Street Beach	67.6°F	84.2°F		0' 7"
North Avenue Beach	67.6°F	84.2°F		0' 7"
Oakwood Beach	70.9°F	84.2°F		0' 7"
Montrose Beach	61.2°F	84.2°F		0' 7"
Foster Beach	61.2°F	84.2°F		0' 7"
South Shore Beach	69.4°F	78.8°F		0' 7"
Evanston	63°F	78.8°F		0' 7"
Rogers Park	63°F	78.8°F		0' 7"

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Our report for Chicago 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.