Chicago Water Temperature
(Today) 2024
8.3°C / 47°F
The water will feel cold. All but the most ardent watersports enthusiasts will be thinking of packing up for the winter. If not we'd suggest a thick 5/4mm wetsuit along with some boots and a hood.
Current weather
21°C / 70°F
(few clouds)
(few clouds)
Wind
10 mph
Humidity
61%
The measurements for the water temperature in Chicago, Illinois are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.
Water temp by month
Monthly average max / min water temperatures
The graph below shows the range of monthly Chicago water temperature derived from many years of historical sea surface temperature data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 3 | 1.4 | 1.9 | 2.5 | 4.3 | 7.8 | 18.1 | 21.6 | 17.5 | 11.5 | 6.9 | 3.1 |
| Max °C | 4.8 | 4 | 4.5 | 7.4 | 9.9 | 20.5 | 24.9 | 24.9 | 23.2 | 18.4 | 12.3 | 8.4 |
| Min °F | 38.1 | 35.6 | 36.5 | 38.4 | 42 | 51.1 | 67.3 | 72.2 | 65.7 | 55.4 | 46.6 | 39.7 |
| Max °F | 39.9 | 38.2 | 39.1 | 43.3 | 47.6 | 63.8 | 74.1 | 75.5 | 71.4 | 62.3 | 52 | 45 |
The warmest water temperature is in August with an average around 73.8°F / 23.2°C. The coldest month is February with an average water temperature of 36.9°F / 2.7°C.
