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

Hazardous Weather Conditions

Current conditions at

Valparaiso Porter County Municipal Airport (KVPZ)

Lat: 41.45°NLon: 87°WElev: 768ft.

Mostly Cloudy

83°F

28°C

Humidity 74%
Wind Speed N 6 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 5 Sep 11:56 am CDT
Extended Forecast for

Rensselaer IN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 88. Heat index values as high as 99. North wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79. East northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. East northeast wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 82. Calm wind becoming east around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 88. Heat index values as high as 99. North wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 62. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 79. East northeast wind around 5 mph, with gusts as high as 10 mph.
Sunday Night
Mostly clear, with a low around 57. East northeast wind around 5 mph becoming calm in the evening.
Labor Day
Sunny, with a high near 82. Calm wind becoming east around 5 mph in the morning. Winds could gust as high as 10 mph.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
A chance of showers after 1am. Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 84.
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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:
12:36 pm CDT Sep 5, 2026
Forecast Valid:
12pm CDT Sep 5, 2026-6pm CDT Sep 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation