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

25°C

77°F

Humidity 94%
Wind Speed Vrbl 6 km/h
Barometer 29.94 in
Dewpoint 24°C (75°F)
Visibility 16 km
Heat Index26°C (78°F)
Last update 12 Jul 10:35 pm CDT
Extended Forecast for

Portage IN

  • Tonight

    Tonight: Mostly clear, with a low around 21. West southwest wind around 10 km/h.

    Low: 21 °C

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 28. Northwest wind around 10 km/h.

    High: 28 °C

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming clear, with a low around 19. Northeast wind 5 to 10 km/h becoming southwest after midnight.

    Low: 19 °C

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 31. South southwest wind 5 to 10 km/h.

    High: 31 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22. South wind 5 to 10 km/h.

    Low: 22 °C

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 31.

    High: 31 °C

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 22.

    Low: 22 °C

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 30.

    High: 30 °C

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 22.

    Low: 22 °C

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 21. West southwest wind around 10 km/h.
Sunday
Mostly sunny, with a high near 28. Northwest wind around 10 km/h.
Sunday Night
Mostly cloudy, then gradually becoming clear, with a low around 19. Northeast wind 5 to 10 km/h becoming southwest after midnight.
Monday
Sunny, with a high near 31. South southwest wind 5 to 10 km/h.
Monday Night
Mostly clear, with a low around 22. South wind 5 to 10 km/h.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 31.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 22.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 30.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 28.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 26.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 26.
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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:
7:41 pm CDT Jul 12, 2025
Forecast Valid:
10pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
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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