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

53°F

12°C

Humidity 32%
Wind Speed SW 12 mph
Barometer 30.29 in (1026.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 20 Apr 3:56 pm CDT
Extended Forecast for

Rensselaer IN

  • Tonight

    Tonight: Mostly clear, with a low around 43. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 77 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 57. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. West northwest wind around 5 mph, with gusts as high as 10 mph.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75.

    High: 75 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 43. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 77. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 57. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 75. West northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
Mostly clear, with a low around 57. South wind around 5 mph, with gusts as high as 10 mph.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61.
Friday
Showers likely, then showers and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 67.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 48.
Monday
A chance of showers. Mostly cloudy, with a high near 67.
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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:
3:41 pm CDT Apr 20, 2026
Forecast Valid:
4pm CDT Apr 20, 2026-6pm CDT Apr 27, 2026
 
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Additional Resources

Radar & Satellite Image

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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