Ross, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ross, a community in Lake County, Indiana.
Overnight
63°F
Mostly Clear
Mostly clear, with a low around 63. South southeast wind around 5 mph.
7-day forecast for Ross
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Clear | 5 mph SSE | 0% |
| Tuesday | 84°F | Mostly Sunny | 5 mph S | 0% |
| Tuesday Night | 66°F | Partly Cloudy | 5 mph SSW | 2% |
| Wednesday | 81°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph SW | 39% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph WSW | 88% |
| Thursday | 78°F | Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph WSW | 88% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms | 0 to 5 mph ESE | 50% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph SW | 6% |
| Friday Night | 64°F | Partly Cloudy | 0 mph | 8% |
| Saturday | 84°F | Mostly Sunny | 0 to 5 mph SSW | 8% |
| Saturday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 16% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph SW | 16% |
| 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% |
Forecast source: National Weather Service (api.weather.gov) for Ross (41.535, -87.375). Updated through the day.
Growing snapshot for Ross
Last spring frost
Apr 22
First fall frost
Oct 27
Growing season
188 days
Hardiness zone
6a
More local growing data for Ross: nearby ZIP 46408 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
New Chicago
Schererville
Schneider
Shelby
St. John
Whiting
Winfield
Climate data from the nearest NOAA station, Indiana Dunes Nl, In (15.7 mi from Ross). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.