New Chicago, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Chicago, a town in Lake County, Indiana.
This Afternoon
65°F
Slight Chance Rain Showers
A slight chance of drizzle before 2pm, then a slight chance of rain showers and a slight chance of drizzle. Mostly cloudy. High near 65, with temperatures falling to around 57 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast for New Chicago
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Slight Chance Rain Showers | 10 to 15 mph SW | 3% |
| Tonight | 47°F | Slight Chance Rain Showers then Slight Chance Rain | 10 to 15 mph SW | 17% |
| Thursday | 54°F | Mostly Cloudy then Chance Rain | 10 to 15 mph WSW | 44% |
| Thursday Night | 41°F | Rain | 10 mph NW | 83% |
| Friday | 50°F | Chance Rain | 10 to 15 mph NNW | 34% |
| Friday Night | 38°F | Mostly Cloudy | 5 to 10 mph NNW | 10% |
| Saturday | 50°F | Mostly Sunny | 5 to 10 mph NW | 3% |
| Saturday Night | 35°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 1% |
| Sunday Night | 37°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 60°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 60°F | Sunny | 0 to 5 mph WNW | 1% |
| Tuesday Night | 40°F | Partly Cloudy | 0 mph | 2% |
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 Nov 4, 2026.