The temperatures in Joliet in October are quite cold with temperatures between 8°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Joliet during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Joliet in October 2025.
If you’re planning to visit Joliet in the near future, we highly recommend that you review the 14 day weather forecast for Joliet before you arrive.
Temperatures
16° / 8°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
134
mm
Sun Hours
8.7
Hrs
