National Weather Service Forecast for: Gary IN
Issued by: National Weather Service Chicago, IL
Updated: 7:51 pm CST Dec 19, 2025
 
Tonight

Tonight: Partly cloudy, with a temperature rising to around 29 by 5am. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.
Partly Cloudy
and Breezy

 Saturday

Saturday: Partly sunny, with a high near 42. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Mostly Cloudy
and Breezy
then Partly
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 20. West wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 30. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 23. South wind 5 to 10 mph, with gusts as high as 15 mph.
Mostly Cloudy

 Monday

Monday: Cloudy, with a high near 42.
Cloudy

 Monday
Night
Monday Night: Cloudy, with a low around 37.
Cloudy

 Tuesday

Tuesday: Mostly cloudy, with a high near 46.
Mostly Cloudy

 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 34.
Mostly Cloudy
Lo 21 °F⇑ Hi 42 °F Lo 20 °F Hi 30 °F Lo 23 °F Hi 42 °F Lo 37 °F Hi 46 °F Lo 34 °F

 

Tonight
 
 Partly cloudy, with a temperature rising to around 29 by 5am. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.
Saturday
 
 Partly sunny, with a high near 42. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
 
 Mostly clear, with a low around 20. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
 
 Sunny, with a high near 30. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
 
 Mostly cloudy, with a low around 23. South wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
 
 Cloudy, with a high near 42.
Monday Night
 
 Cloudy, with a low around 37.
Tuesday
 
 Mostly cloudy, with a high near 46.
Tuesday Night
 
 Mostly cloudy, with a low around 34.
Wednesday
 
 Cloudy, with a high near 48.
Wednesday Night
 
 A chance of rain. Cloudy, with a low around 43.
Christmas Day
 
 Mostly cloudy, with a high near 60.
Thursday Night
 
 Mostly cloudy, with a low around 40.
Friday
 
 Partly sunny, with a high near 48.

 

Forecast from NOAA-NWS for Gary IN.