Current conditions at
Gary Regional Airport (KGYY)
Lat: 41.61°NLon: 87.41°WElev: 584ft.
Fair
66°F
19°C
| Humidity | 28% |
| Wind Speed | SW 12 G 21 mph |
| Barometer | 30.37 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 3:50 pm CDT |
Extended Forecast for
Merrillville IN
Tonight
Low: 37 °F
Clear
Monday
High: 69 °F
Sunny
Monday Night
Low: 41 °F
Mostly Clear
Tuesday
High: 69 °F
Sunny
Tuesday Night
Low: 45 °F
Mostly Clear
Wednesday
High: 71 °F
Sunny
Wednesday Night
Low: 47 °F
Clear
Thursday
High: 72 °F
Sunny
Thursday Night
Low: 49 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 37. South wind 5 to 10 mph.
Monday
Sunny, with a high near 69. Calm wind becoming south around 5 mph.
Monday Night
Mostly clear, with a low around 41. East northeast wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 69. Calm wind.
Tuesday Night
Mostly clear, with a low around 45. Northeast wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Clear, with a low around 47.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 72.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Merrillville IN
41.47°N 87.33°W
41.47°N 87.33°W
2:36 pm CDT Oct 18, 2026
4pm CDT Oct 18, 2026-6pm CDT Oct 25, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
