National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Gary Regional Airport (KGYY)

Lat: 41.61°NLon: 87.41°WElev: 584ft.

Fair

70°F

21°C

Humidity 100%
Wind Speed NE 6 mph
Barometer 30.02 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 29 Jul 10:15 pm CDT
Extended Forecast for

Portage IN

  • Tonight

    Tonight: Mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Calm wind becoming northwest around 5 mph.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly after 4pm. Increasing clouds, with a high near 80. South wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 80 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 63. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 7pm. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 62. Northeast wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 78. Calm wind becoming northwest around 5 mph.
Thursday Night
Mostly cloudy, with a low around 64. Calm wind.
Friday
Showers likely, mainly after 4pm. Increasing clouds, with a high near 80. South wind 5 to 10 mph. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 63. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers, mainly before 7pm. Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portage IN
 41.6°N 87.17°W
Last Update:
8:31 pm CDT Jul 29, 2026
Forecast Valid:
10pm CDT Jul 29, 2026-6pm CDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation