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.

Mostly Cloudy

65°F

18°C

Humidity 49%
Wind Speed SW 13 mph
Barometer 29.86 in (1011.3 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 21 Mar 1:56 pm CDT
Extended Forecast for

Rensselaer IN

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 4pm. Increasing clouds, with a temperature falling to around 44 by 5pm. Breezy, with a west wind 10 to 15 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 56 °F⇓

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 32. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. North wind around 10 mph, with gusts as high as 15 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 55. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of showers, mainly after 4pm. Increasing clouds, with a temperature falling to around 44 by 5pm. Breezy, with a west wind 10 to 15 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 32. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 46. North wind around 10 mph, with gusts as high as 15 mph.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
A chance of showers. Mostly sunny, with a high near 69.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rensselaer IN
 40.94°N 87.16°W
Last Update:
1:21 pm CDT Mar 21, 2026
Forecast Valid:
2pm CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation