Ross, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ross, a community in Lake County, Indiana.
This Afternoon
73°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 73. East northeast wind around 10 mph. Chance of precipitation is 40%.
7-day forecast for Ross
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Chance Rain Showers | 10 mph ENE | 42% |
| Tonight | 62°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph E | 37% |
| Saturday | 77°F | Showers And Thunderstorms Likely | 5 to 10 mph SSE | 82% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely | 5 mph SSW | 82% |
| Sunday | 70°F | Showers And Thunderstorms | 5 to 15 mph NNE | 82% |
| Sunday Night | 55°F | Rain Showers Likely | 10 to 15 mph NE | 65% |
| Monday | 65°F | Showers And Thunderstorms Likely | 10 to 15 mph ENE | 57% |
| Monday Night | 53°F | Chance Rain Showers | 10 to 15 mph ENE | 34% |
| Tuesday | 64°F | Slight Chance Rain Showers | 10 mph NE | 18% |
| Tuesday Night | 53°F | Slight Chance Rain Showers | 5 to 10 mph NE | 18% |
| Wednesday | 66°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NNE | 15% |
| Wednesday Night | 54°F | Mostly Cloudy | 5 mph NNE | 5% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph NNE | 4% |
| Thursday Night | 55°F | Mostly Cloudy | 0 to 5 mph NNE | 4% |
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
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East Chicago
Gary
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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 Sep 18, 2026.