Chicago in October
Find out everything about the water temperature in Chicago in October. Average, minimum and maximum recorded temperatures as well as daily temperature in October for the last two years. Compare the current month's water temperature data with other months of the year.
Water temperature in October
Minimum:
49.0 °F
Average:
59.5 °F
Maximum:
69.0 °F
Water temperature in Chicago in October
In the city of Chicago, the month of October is too cold for swimming. The minimum recorded temperature during this month was 49.0°F on October 28, 2019, with an average temperature being 59.5°F and a maximum temperature reaching 69.0°F on October 1, 2024.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Oct 1 | 65.3°F | 69.0°F | 66.3°F |
| Oct 2 | 64.7°F | 68.8°F | 66.1°F |
| Oct 3 | 64.4°F | 68.2°F | 66.4°F |
| Oct 4 | 64.2°F | 68.0°F | 66.5°F |
| Oct 5 | 63.8°F | 67.6°F | 65.4°F |
| Oct 6 | 63.3°F | 67.3°F | 64.2°F |
| Oct 7 | 62.5°F | 67.1°F | 62.5°F |
| Oct 8 | 62.2°F | 66.8°F | 60.3°F |
| Oct 9 | 61.6°F | 66.2°F | 59.7°F |
| Oct 10 | 61.5°F | 65.8°F | 59.6°F |
| Oct 11 | 61.1°F | 65.4°F | 57.7°F |
| Oct 12 | 60.9°F | 65.2°F | 58.2°F |
| Oct 13 | 60.6°F | 64.9°F | 58.1°F |
| Oct 14 | 60.1°F | 64.6°F | 57.4°F |
| Oct 15 | 59.9°F | 63.2°F | 56.6°F |
| Oct 16 | 59.3°F | 61.9°F | 56.4°F |
| Oct 17 | 58.7°F | 61.1°F | 56.4°F |
| Oct 18 | 58.5°F | 60.6°F | 56.7°F |
| Oct 19 | 57.9°F | 60.5°F | 57.1°F |
| Oct 20 | 57.5°F | 60.3°F | 56.9°F |
| Oct 21 | 57.1°F | 60.0°F | 56.7°F |
| Oct 22 | 56.9°F | 60.1°F | 56.7°F |
| Oct 23 | 56.9°F | 60.4°F | 57.4°F |
| Oct 24 | 56.7°F | 60.1°F | 57.0°F |
| Oct 25 | 56.5°F | 59.7°F | 57.3°F |
| Oct 26 | 56.2°F | 60.0°F | 57.0°F |
| Oct 27 | 55.9°F | 59.8°F | 56.7°F |
| Oct 28 | 55.3°F | 58.6°F | 57.8°F |
| Oct 29 | 55.1°F | 58.0°F | 57.2°F |
| Oct 30 | 54.8°F | 58.0°F | 56.8°F |
| Oct 31 | 54.5°F | 59.7°F | 55.6°F |
In Chicago, there are only 5 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 4, 2014, dipping to 32.0°F. The average readings by season are 36.6°F in Winter, 42.8°F in Spring, 68.3°F in Summer, and 59.3°F in Autumn.
October's average temperature is a slight drop from September's average of 68.9°F. In November, the temperature is expected to decrease further, potentially averaging around 49.6°F.