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

58°F

14°C

Humidity 93%
Wind Speed S 5 mph
Barometer 29.95 in (1013.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 12 Oct 1:56 am CDT
Extended Forecast for

Rensselaer IN

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 52. Calm wind becoming south southwest around 5 mph. Winds could gust as high as 10 mph.

    Low: 52 °F

    Patchy Fog

  • Columbus Day

    Columbus Day: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 70%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly after 1am. Cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72.

    High: 72 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely before 1am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Showers
    Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 52. Calm wind becoming south southwest around 5 mph. Winds could gust as high as 10 mph.
Columbus Day
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 70. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 89. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers, mainly after 1am. Cloudy, with a low around 57.
Thursday
Showers likely, then showers and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72.
Thursday Night
Showers likely before 1am. Mostly cloudy, with a low around 49.
Friday
Partly sunny, with a high near 60. Breezy.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rensselaer IN
 40.96°N 87.16°W
Last Update:
1:21 am CDT Oct 12, 2026
Forecast Valid:
2am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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