East Chicago, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for East Chicago, a city in Lake County, Indiana.
Tonight
62°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. East wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for East Chicago
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 to 15 mph E | 41% |
| Saturday | 77°F | Showers And Thunderstorms Likely | 5 to 15 mph SSE | 84% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 to 10 mph SE | 83% |
| Sunday | 69°F | Showers And Thunderstorms | 10 to 20 mph NNE | 83% |
| Sunday Night | 57°F | Rain Showers Likely | 15 to 20 mph NE | 62% |
| Monday | 66°F | Rain Showers Likely | 15 to 20 mph ENE | 57% |
| Monday Night | 54°F | Chance Rain Showers | 10 to 20 mph ENE | 34% |
| Tuesday | 64°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Tuesday Night | 55°F | Slight Chance Rain Showers | 10 to 15 mph NE | 17% |
| Wednesday | 66°F | Slight Chance Rain Showers then Partly Sunny | 10 mph NE | 15% |
| Wednesday Night | 56°F | Mostly Cloudy | 5 to 10 mph NE | 4% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph NNE | 5% |
| Thursday Night | 57°F | Mostly Cloudy | 5 mph NE | 4% |
| Friday | 70°F | Mostly Sunny | 5 to 10 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for East Chicago (41.648, -87.453). Updated through the day.
Growing snapshot for East Chicago
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6a
More local growing data for East Chicago: nearby ZIP 46312 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Cedar Lake
Crown Point
Dyer
Gary
Griffith
Hammond
Highland
Hobart
Lake Dalecarlia
Lake Station
Leroy
Lowell
Merrillville
Munster
New Chicago
Ross
Schererville
Schneider
Shelby
St. John
Whiting
Winfield
Climate data from the nearest NOAA station, Park Forest, Il (16 mi from East Chicago). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.