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.

Overcast

42°F

6°C

Humidity 89%
Wind Speed NE 8 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 30 Apr 11:56 pm CDT
Extended Forecast for

Rensselaer IN

  • Overnight

    Overnight: Showers likely, mainly before 2am. Cloudy, with a low around 41. North northwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 51. North northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 51 °F

    Partly Sunny

  • Friday Night

    Friday Night: Isolated showers between 10pm and 1am. Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 33. North wind 5 to 10 mph becoming light northeast in the evening. Chance of precipitation is 20%.

    Low: 33 °F

    Isolated
    Showers

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 54. Light north wind becoming north northwest 5 to 10 mph in the morning.

    High: 54 °F

    Areas Frost
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 2am. Otherwise, partly cloudy, with a low around 37. Calm wind becoming south southwest around 5 mph after midnight. Winds could gust as high as 10 mph.

    Low: 37 °F

    Partly Cloudy
    then Patchy
    Frost

  • Sunday

    Sunday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Breezy.

    High: 73 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Showers likely, mainly before 2am. Cloudy, with a low around 41. North northwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, with a high near 51. North northwest wind around 10 mph, with gusts as high as 15 mph.
Friday Night
Isolated showers between 10pm and 1am. Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 33. North wind 5 to 10 mph becoming light northeast in the evening. Chance of precipitation is 20%.
Saturday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 54. Light north wind becoming north northwest 5 to 10 mph in the morning.
Saturday Night
Patchy frost after 2am. Otherwise, partly cloudy, with a low around 37. Calm wind becoming south southwest around 5 mph after midnight. Winds could gust as high as 10 mph.
Sunday
Partly sunny, with a high near 64.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Monday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Breezy.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Tuesday
Showers likely, mainly after 1pm. Partly sunny, with a high near 67.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 45.
Wednesday
A chance of showers. Partly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 58.
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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:
11:01 pm CDT Apr 30, 2026
Forecast Valid:
12am CDT May 1, 2026-6pm CDT May 7, 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