Chicago weather in October (Illinois, United States of America)

What is the weather forecast for Chicago in October? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

During October, Chicago usually has moderate temperatures and moderate rainfall. Daytime temperatures are expected to be around 17°C, cooling off to about 7°C at night.

Precipitation

Chicago in October usually receives moderate rainfall, averaging around 76 mm for the month. On average, there are about 12 days with rain during this month.

Average sunshine

With around 195 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If your ideal day consists of dry skies and moderate temperatures September generally stands out with the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Chicago climate page with graphs.

 

Chicago, monthly averages in October

Min Temperature 7°C  

Max Temperature 17°C  

Chance of Rain 39%  

Precipitation 76 mm  

Rainy days 12 days  

Humidity 68%  

Windspeed 18 km/h  

Sunshine 195 hours  

Percentage Sunshine 56%  

Where to go in the United States of America in October

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Chicago, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Chicago.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.