As of the current date, which is Wednesday, November 01, 2023, there is no information available in the search results about the temperature in Chicago for today. However, there are some weather forecasts and temperature information available for different dates in the past and future. Here are some examples:

• On September 23, 2023, the high temperature in Chicago was 78°F and the low was 59°F.
• On October 6, 2023, the temperature in Chicago at 6:04 AM was 52°F.
• On September 19, 2023, the high temperature in Chicago was 42°F and the low was 32°F.

It is important to note that weather conditions can change rapidly and vary depending on the location within the city. Therefore, it is recommended to check a reliable weather source for the most up-to-date information.