Gary/Chicago International Airport Weather Forecast
- 43
- 61
Sunny
- 46
- 64
Mostly Sunny
- 53
- 68
Partly Sunny
- 50
- 64
Mostly Sunny
- 55
- 68
Partly Sunny
- 57
- 72
Partly Sunny
- 57
- 70
Partly Sunny
Today 8 Oct Lake
Sunny. Highs in the lower 60s. Northeast Winds 5 to 10 Mph.
Tonight 8 Oct Lake
Clear. Patchy frost late. Lows in the mid 30s. East Winds around 5 Mph.
Gary/Chicago International Airport Temperature Statistics
October Temperature
Gary Regional Airport (0 miles)
Lowest 2 October, 2025
57.2 °FAverage October
71.4 °FHighest 3 October, 2025
89.6 °F
Climate (2020–Present)
Gary Regional Airport (0 miles)
Average Low 2020–2025
43.7 °FAverage 2020–2025
51.5 °FAverage High 2020–2025
60.9 °F