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

Valparaiso Porter County Municipal Airport (KVPZ)

Lat: 41.45°NLon: 87°WElev: 768ft.

Fair

21°C

70°F

Humidity 76%
Wind Speed E 7 km/h
Barometer 1020.4 mb (30.14 in)
Dewpoint 17°C (62°F)
Visibility 16 km
Last update 7 Sep 6:56 pm CDT
Extended Forecast for

Rensselaer IN

  • Tonight

    Tonight: Partly cloudy, with a low around 16. East wind around 10 km/h, with gusts as high as 20 km/h.

    Low: 16 °C

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31. East southeast wind 10 to 15 km/h becoming south southwest in the morning.

    High: 31 °C

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. South wind 10 to 20 km/h.

    Low: 22 °C

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 10am. Partly sunny, with a high near 31. West southwest wind around 20 km/h, with gusts as high as 30 km/h.

    High: 31 °C

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18. West wind 10 to 15 km/h, with gusts as high as 25 km/h.

    Low: 18 °C

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 26.

    High: 26 °C

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 12.

    Low: 12 °C

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 28.

    High: 28 °C

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 16.

    Low: 16 °C

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 16. East wind around 10 km/h, with gusts as high as 20 km/h.
Tuesday
Mostly sunny, with a high near 31. East southeast wind 10 to 15 km/h becoming south southwest in the morning.
Tuesday Night
Partly cloudy, with a low around 22. South wind 10 to 20 km/h.
Wednesday
A 40 percent chance of showers and thunderstorms after 10am. Partly sunny, with a high near 31. West southwest wind around 20 km/h, with gusts as high as 30 km/h.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18. West wind 10 to 15 km/h, with gusts as high as 25 km/h.
Thursday
Partly sunny, with a high near 26.
Thursday Night
Mostly clear, with a low around 12.
Friday
Sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
A chance of showers. Partly cloudy, with a low around 16.
Monday
A chance of showers. Mostly sunny, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rensselaer IN
 40.94°N 87.16°W
Last Update:
2:46 pm CDT Sep 7, 2026
Forecast Valid:
7pm CDT Sep 7, 2026-6pm CDT Sep 14, 2026
 
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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