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

75°F

24°C

Humidity 52%
Wind Speed Vrbl 6 mph
Barometer 30.08 in (1018.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 24 Aug 3:56 pm CDT
Extended Forecast for

Rensselaer IN

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 78. Calm wind becoming south around 5 mph.

    High: 78 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Calm wind becoming south around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 78. Calm wind becoming south around 5 mph.
Tuesday Night
Partly cloudy, with a low around 60. Calm wind becoming south around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 64.
Sunday
Partly sunny, with a high near 84.
Sunday Night
A chance of showers. Partly cloudy, with a low around 68.
Monday
Partly sunny, with a high near 86.
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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:
2:51 pm CDT Aug 24, 2026
Forecast Valid:
4pm CDT Aug 24, 2026-6pm CDT Aug 31, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation