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

53.3

°F

November 6, 21:09

Trend:

stable

Yesterday:

54.1°F

Tomorrow:

53.5°F

Sunrise:

06:29

Sunset:

16:39

Day Length:

10 h. 10 min.

Chicago in November

Minimum:

32.3°F

Average:

35.4°F

Maximum:

37.7°F

Water temperature in Chicago today

As of now, in Chicago, the water temperature is 53.3°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.9°F higher 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 rise 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 56.3°F on 2024, while the historical minimum was 46.8°F on 2019.

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 maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 52.5°F, the minimum temperature may reach 51.8°F, and the maximum might stay at 53.5°F.

Daily water temperature in Chicago

Date Current Year

actual* / forecast**

last year 10 years average
Oct 23 59.9°F 60.4°F 57.4°F
Oct 24 58.4°F 60.1°F 57.0°F
Oct 25 57.5°F 59.7°F 56.7°F
Oct 26 56.3°F 60.0°F 56.4°F
Oct 27 56.6°F 59.8°F 56.0°F
Oct 28 56.9°F 58.6°F 55.5°F
Oct 29 56.2°F 58.0°F 55.2°F
Oct 30 55.8°F 58.0°F 54.9°F
Oct 31 55.1°F 59.7°F 54.7°F
Nov 1 55.3°F 60.8°F 54.9°F
Nov 2 53.8°F 58.8°F 53.6°F
Nov 3 54.6°F 58.0°F 53.1°F
Nov 4 54.7°F 57.7°F 53.1°F
Nov 5 54.1°F 56.9°F 52.8°F
Nov 6 53.3°F 56.3°F 52.3°F
Nov 7 53.5°F 57.8°F 52.5°F
Nov 8 53.2°F 57.2°F 52.3°F
Nov 9 52.4°F 56.4°F 51.5°F
Nov 10 52.2°F 56.2°F 51.3°F
Nov 11 52.4°F 56.4°F 51.4°F
Nov 12 52.2°F 56.2°F 51.2°F
Nov 13 51.8°F 55.9°F 50.9°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 18 days through the year when the water is warm enough to be comfortable for swimming.
The warmest water in Chicago was recorded on August 17, 2025, reaching a 78.1°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, 68.7°F in Summer, and 59.3°F in Autumn.