National Weather Service Forecast for: Hammond IN
Issued by: National Weather Service Chicago, IL
Updated: 2:01 am CST Dec 20, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 20. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Mostly Cloudy
and Breezy

 Saturday

Saturday: Mostly cloudy, with a high near 40. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Mostly Cloudy
and Breezy
then Mostly
Cloudy
 Saturday
Night
Saturday Night: Mostly clear, with a low around 19. West wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 29. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 22. Light south wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 15 mph.
Mostly Cloudy

 Monday

Monday: Cloudy, with a high near 41.
Cloudy

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

 Tuesday

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

 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 32.
Mostly Cloudy
Lo 20 °F Hi 40 °F Lo 19 °F Hi 29 °F Lo 22 °F Hi 41 °F Lo 37 °F Hi 46 °F Lo 32 °F

 

Overnight
 
 Mostly cloudy, with a low around 20. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
 
 Mostly cloudy, with a high near 40. Breezy, with a south wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
 
 Mostly clear, with a low around 19. West wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
 
 Sunny, with a high near 29. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Sunday Night
 
 Mostly cloudy, with a low around 22. Light south wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 15 mph.
Monday
 
 Cloudy, with a high near 41.
Monday Night
 
 Mostly cloudy, with a low around 37.
Tuesday
 
 Partly sunny, with a high near 46.
Tuesday Night
 
 Mostly cloudy, with a low around 32.
Wednesday
 
 A chance of rain after noon. Cloudy, with a high near 44.
Wednesday Night
 
 A chance of rain. Cloudy, with a low around 44.
Christmas Day
 
 Mostly cloudy, with a high near 56.
Thursday Night
 
 Partly cloudy, with a low around 41.
Friday
 
 Partly sunny, with a high near 52.

 

Forecast from NOAA-NWS for Hammond IN.