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

37°F

3°C

Humidity 67%
Wind Speed E 5 mph
Barometer 30.20 in (1023.2 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 25 Mar 1:56 am CDT
Extended Forecast for

Rensselaer IN

  • Overnight

    Overnight: Partly cloudy, with a low around 34. Southeast wind around 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. Southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly between 10pm and 4am. Mostly cloudy, with a low around 57. South southwest wind around 10 mph.

    Low: 57 °F

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms likely after 1pm. Increasing clouds, with a high near 81. Breezy, with a south southwest wind 10 to 15 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.

    High: 81 °F

    Slight Chance
    T-storms then
    T-storms
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 33. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 33 °F

    Breezy.
    Showers then
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 34. Southeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 69. Southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly between 10pm and 4am. Mostly cloudy, with a low around 57. South southwest wind around 10 mph.
Thursday
A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms likely after 1pm. Increasing clouds, with a high near 81. Breezy, with a south southwest wind 10 to 15 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 33. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday
Partly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 74.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Tuesday
A chance of showers. Mostly cloudy, with a high near 74.
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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:
1:15 am CDT Mar 25, 2026
Forecast Valid:
2am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
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Additional Resources

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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