New Chicago, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Chicago, a town in Lake County, Indiana.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. South wind around 5 mph, with gusts as high as 10 mph.
7-day forecast for New Chicago
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 mph S | 0% |
| Tonight | 65°F | Partly Cloudy | 5 mph S | 2% |
| Wednesday | 81°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph SW | 38% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph SSW | 88% |
| Thursday | 77°F | Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph WSW | 88% |
| Thursday Night | 63°F | Chance Showers And Thunderstorms | 0 to 5 mph ESE | 51% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph WSW | 7% |
| Friday Night | 64°F | Partly Cloudy | 0 mph | 8% |
| Saturday | 84°F | Mostly Sunny | 0 to 5 mph SSW | 9% |
| Saturday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 17% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph SW | 17% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 40% |
| Monday | 85°F | Chance Rain Showers | 5 to 10 mph SW | 40% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 5 mph WSW | 47% |
Forecast source: National Weather Service (api.weather.gov) for New Chicago (41.559, -87.272). Updated through the day.
Growing snapshot for New Chicago
Last spring frost
Apr 22
First fall frost
Oct 27
Growing season
188 days
Hardiness zone
6a
More local growing data for New Chicago: nearby ZIP 46405 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Cedar Lake
Crown Point
Dyer
East Chicago
Gary
Griffith
Hammond
Highland
Hobart
Lake Dalecarlia
Lake Station
Leroy
Lowell
Merrillville
Munster
Ross
Schererville
Schneider
Shelby
St. John
Whiting
Winfield
Climate data from the nearest NOAA station, Indiana Dunes Nl, In (9.9 mi from New Chicago). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.