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Suman, Indiana Weather Forecast
Suman, Indiana Weather
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Weather Forecast for Suman, Indiana : Porter County
Issued: 3:31 pm CST Dec 18, 2025 Latitude: 41.5428173 Longitude: -87.00003 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Christmas Day
50% chance of snow on Tonight 20% chance of snow on Friday Mostly Cloudy on Saturday Sunny on Sunday Mostly Cloudy on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Cloudy on Christmas Day
Low: 14°F High: 24°F High: 41°F High: 27°F High: 38°F High: 46°F High: 48°F High: 54°F
Low: 28 °F Low: 19°F Low: 19°F Low: 33°F Low: 33°F Low: 41°F  
Snow Snow Mostly Cloudy Sunny Mostly Cloudy Partly Sunny Mostly Cloudy Mostly Cloudy
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Current Conditions at
VALPARAISO - (KVPZ)
37°
Cloudy
as of 5:56 PM CST
Rel. Humidity: 100%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.43 in.
Flight Rule: VFR
Wind Data
6 MPH
240° Southwest
Cloud Level(s): Broken at 5000ft, Solid Overcast at 7000ft
Current Conditions at
GARY - (KGYY)
39°
Cloudy
as of 5:50 PM CST
Rel. Humidity: 100%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 29.40 in.
Flight Rule: VFR
Wind Data
6 MPH
260° West
Cloud Level(s): Solid Overcast at 7000ft
Current Conditions at
LANSING MUNICIPAL - (KIGQ)
37°
Feels like 30°F
Cloudy
as of 6:35 PM CST
Rel. Humidity: 86%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.46 in.
Flight Rule: MVFR
Wind Data
10 MPH
Gust: 17 MPH
250° West
Cloud Level(s): Broken at 1200ft, Solid Overcast at 2000ft
50% chance of snow Tonight Tonight... Scattered snow showers or flurries before 3am, then scattered flurries with isolated snow showers between 3am and 4am, then scattered snow showers after 4am. Cloudy, with a low around 14. Wind chill values as low as -2. Breezy, with a west wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.

20% chance of snow Friday Friday... A 20 percent chance of snow showers before 9am. Partly sunny, with a high near 24. Wind chill values as low as -4. Breezy, with a west northwest wind 15 to 25 mph decreasing to 5 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a temperature rising to around 28 by 5am. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 25 mph.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 41. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 19. West wind around 10 mph, with gusts as high as 20 mph.

Sunny on Sunday Sunday... Sunny, with a high near 27.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 19.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 38.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 33.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 46.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 33.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 48.

20% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 41.

Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 54.

Sun Almanac for Suman, Indiana
Sunrise: 07:10 AM
Sunset: 4:20 PM
Civil Sunrise:06:38 AM
Civil Sunset: 4:51 PM
Nautical Sunrise: 06:03 AM
Nautical Sunset: 5:26 PM
Astro Sunrise: 05:30 AM
Astro Sunset: 6:00 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.