All data are in degrees Fahrenheit

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Water temperature in Chicago

Detailed information about the current water temperature in Chicago. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Water temperature in Chicago now

73.3

°F

August 6, 01:34

Trend:

stable

Yesterday:

73.2°F

Tomorrow:

72.9°F

Sunrise:

05:49

Sunset:

20:03

Day Length:

14 h. 14 min.

Chicago in August

Minimum:

32.4°F

Average:

36.1°F

Maximum:

38.6°F

Water temperature in Chicago today

As of now, in Chicago, the water temperature is 73.3°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 0.7°F lower than the average recorded on this particular day in recent years. The water temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent water temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 76.5°F on 2024, while the historical minimum was 71.4°F on 2017.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 72.4°F, the minimum temperature may reach 71.7°F, and the maximum might stay at 72.9°F.

Daily water temperature in Chicago

Date Current Year

actual* / forecast**

last year 10 years average
Jul 23 72.6°F 73.0°F 72.0°F
Jul 24 72.8°F 73.6°F 72.3°F
Jul 25 73.9°F 73.0°F 72.5°F
Jul 26 74.1°F 73.4°F 72.7°F
Jul 27 74.4°F 73.7°F 73.1°F
Jul 28 75.4°F 73.9°F 73.5°F
Jul 29 76.4°F 74.1°F 73.8°F
Jul 30 76.1°F 74.3°F 73.4°F
Jul 31 76.3°F 75.0°F 73.2°F
Aug 1 75.9°F 75.5°F 73.3°F
Aug 2 74.0°F 76.1°F 73.5°F
Aug 3 72.5°F 75.4°F 73.5°F
Aug 4 73.7°F 75.8°F 73.5°F
Aug 5 73.2°F 76.3°F 73.9°F
Aug 6 73.3°F 76.5°F 74.0°F
Aug 7 72.9°F 75.9°F 73.6°F
Aug 8 72.4°F 75.3°F 73.1°F
Aug 9 72.4°F 75.3°F 73.1°F
Aug 10 71.7°F 74.5°F 72.4°F
Aug 11 72.4°F 75.2°F 73.1°F
Aug 12 72.5°F 75.3°F 73.2°F
Aug 13 72.5°F 75.3°F 73.2°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Water temperature in Chicago by month

In Chicago, there are only 13 days through the year when the water is warm enough to be comfortable for swimming.
The warmest water in Chicago was recorded on July 10, 2020, reaching a 78.0°F. While the coldest temperature occurred on January 14, 2018, dipping to 32.0°F. The average readings by season are 36.7°F in Winter, 43.1°F in Spring, 68.6°F in Summer, and 59.5°F in Autumn.