The temperatures in Gary in October are quite cold with temperatures between 9°C and 16°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Gary. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Gary in October 2025.
If you’re planning to visit Gary in the near future, we highly recommend that you review the 14 day weather forecast for Gary before you arrive.
Temperatures
16° / 9°
Rainy Days
9
Snowy Days
0
Dry Days
22
Rainfall
114
mm
Sun Hours
6.0
Hrs
