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

38°F

3°C

Humidity 89%
Wind Speed NE 5 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 35°F (2°C)
Visibility 9.00 mi
Wind Chill34°F (1°C)
Last update 21 Mar 2:56 am CDT
Extended Forecast for

Rensselaer IN

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. Northeast wind around 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 78. East southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. Southwest wind 10 to 15 mph.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 57. Breezy, with a north wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 57 °F

    Partly Sunny
    then Chance
    Rain and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm. 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

    Slight Chance
    Rain and
    Breezy then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °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 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. Northeast wind around 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 78. East southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 53. Southwest wind 10 to 15 mph.
Sunday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 57. Breezy, with a north wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 32. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.
Monday
Partly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
A chance of showers. Partly sunny, with a high near 69.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 48.
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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:
3:11 am CDT Mar 21, 2026
Forecast Valid:
3am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation