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Summit, Indiana Weather Forecast
Summit, Indiana Weather
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Weather Forecast for Summit, Indiana : LaPorte County
Issued: 3:30 am CST Dec 19, 2025 Latitude: 41.6430971 Longitude: -86.7975256 View on Google Maps

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Overnight Friday Saturday Sunday Monday Tuesday Wednesday Christmas Day
30% chance of snow on Overnight 30% chance of snow on Friday Mostly Cloudy on Saturday Sunny on Sunday Mostly Cloudy on Monday Mostly Cloudy on Tuesday 30% chance of rain on Wednesday Partly Sunny on Christmas Day
Low: 15°F High: 23°F High: 40°F High: 26°F High: 37°F High: 44°F High: 48°F High: 54°F
Low: 28 °F Low: 20°F Low: 20°F Low: 33°F Low: 31°F Low: 41°F  
Snow Snow Mostly Cloudy Sunny Mostly Cloudy Mostly Cloudy Rain Partly Sunny
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Current Conditions at
VALPARAISO - (KVPZ)
18°
Feels like 0°F
Cloudy
Light Snow
as of 2:56 AM CST
Rel. Humidity: 67%
Dew Point: 9°F
Visibility: 9 Miles
Pressure: 29.61 in.
Flight Rule: MVFR
Wind Data
26 MPH
Gust: 37 MPH
270° West
Cloud Level(s): Solid Overcast at 2800ft
Current Conditions at
GARY - (KGYY)
18°
Feels like 1°F
Cloudy
Unknown Precip
as of 3:15 AM CST
Rel. Humidity: 72%
Dew Point: 10°F
Visibility: 9 Miles
Pressure: 29.63 in.
Flight Rule: MVFR
Wind Data
18 MPH
Gust: 30 MPH
270° West
Cloud Level(s): Few at 1300ft, Broken at 2000ft, Solid Overcast at 3000ft
Current Conditions at
CHICAGO-MIDWAY - (KMDW)
16°
Feels like -2°F
Cloudy
Light Snow
as of 2:53 AM CST
Rel. Humidity: 66%
Dew Point: 7°F
Visibility: 8 Miles
Pressure: 29.63 in.
Flight Rule: MVFR
Wind Data
23 MPH
Gust: 35 MPH
260° West
Cloud Level(s): Few at 2100ft, Broken at 2900ft, Solid Overcast at 9000ft
30% chance of snow Overnight Overnight... A 30 percent chance of snow. Cloudy, with a low around 15. West wind around 20 mph, with gusts as high as 35 mph.
30% chance of snow Friday Friday... A 30 percent chance of snow, mainly before 8am. Partly sunny, with a high near 23. West wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a temperature rising to around 28 by 5am. Southwest wind 5 to 10 mph becoming south 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 40. South wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 20. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny on Sunday Sunday... Sunny, with a high near 26.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 20.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 37.
20% chance of rain Monday Night Monday Night... A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 33.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 44.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 31.
30% chance of rain Wednesday Wednesday... A 30 percent chance of rain. 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.
Partly Sunny on Christmas Day Christmas Day... Partly sunny, with a high near 54.
Current Radar Image


Sun Almanac for Summit, Indiana
Sunrise: 07:10 AM
Sunset: 4:19 PM
Civil Sunrise:06:38 AM
Civil Sunset: 4:51 PM
Nautical Sunrise: 06:03 AM
Nautical Sunset: 5:26 PM
Astro Sunrise: 05:29 AM
Astro Sunset: 6:00 PM
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