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

67°F

19°C

Humidity 42%
Wind Speed S 10 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Mar 2:56 pm CDT
Extended Forecast for

Chesterton IN

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 43. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers, mainly after 1pm. Patchy fog before 4pm. Otherwise, mostly cloudy, with a temperature falling to around 38 by 5pm. 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: 44 °F⇓

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 33 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40. North wind around 10 mph, with gusts as high as 15 mph.

    High: 40 °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 53.

    High: 53 °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 57.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 74. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 43. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A 40 percent chance of showers, mainly after 1pm. Patchy fog before 4pm. Otherwise, mostly cloudy, with a temperature falling to around 38 by 5pm. 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
Mostly cloudy, with a low around 33. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.
Monday
Partly sunny, with a high near 40. North wind around 10 mph, with gusts as high as 15 mph.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
A chance of showers. Partly sunny, with a high near 61.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chesterton IN
 41.61°N 87.08°W
Last Update:
3:06 pm CDT Mar 21, 2026
Forecast Valid:
3pm CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation