Leroy, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Leroy, a community in Lake County, Indiana.
Today
84°F
Sunny
Sunny, with a high near 84. South southwest wind 5 to 10 mph.
7-day forecast for Leroy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 5 to 10 mph SSW | 0% |
| Tonight | 62°F | Partly Cloudy | 5 mph SSW | 1% |
| Wednesday | 82°F | Chance Showers And Thunderstorms | 5 mph SW | 32% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph SW | 87% |
| Thursday | 79°F | Showers And Thunderstorms | 0 to 5 mph SW | 87% |
| Thursday Night | 61°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 57% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph SW | 8% |
| Friday Night | 62°F | Partly Cloudy | 0 mph | 9% |
| Saturday | 84°F | Mostly Sunny | 0 to 5 mph SSW | 9% |
| Saturday Night | 67°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 15% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 15 mph SW | 15% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 37% |
| Monday | 86°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 37% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph WSW | 45% |
Forecast source: National Weather Service (api.weather.gov) for Leroy (41.359, -87.271). Updated through the day.
Growing snapshot for Leroy
Last spring frost
Apr 29
First fall frost
Oct 16
Growing season
171 days
Hardiness zone
5b
More local growing data for Leroy: nearby ZIP 46307 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
Lowell
Merrillville
Munster
New Chicago
Ross
Schererville
Schneider
Shelby
St. John
Whiting
Winfield
Climate data from the nearest NOAA station, Lowell, In (10.6 mi from Leroy). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.