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Ross, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Ross, a community in Lake County, Indiana.

This Afternoon
65°F
Slight Chance Rain Showers
A slight chance of rain showers and a slight chance of drizzle. Cloudy. High near 65, with temperatures falling to around 58 in the afternoon. West southwest wind around 15 mph, with gusts as high as 25 mph.

7-day forecast for Ross

WhenTempForecastWindPrecip
This Afternoon 65°F Slight Chance Rain Showers 15 mph WSW 2%
Tonight 48°F Slight Chance Rain Showers then Slight Chance Rain 10 to 15 mph SW 18%
Thursday 55°F Mostly Cloudy then Chance Rain 10 to 15 mph WSW 44%
Thursday Night 41°F Rain 10 mph NW 78%
Friday 50°F Slight Chance Rain 10 to 15 mph NNW 24%
Friday Night 37°F Mostly Cloudy 5 to 10 mph NNW 8%
Saturday 50°F Mostly Sunny 5 mph NW 3%
Saturday Night 34°F Mostly Clear 0 to 5 mph W 0%
Sunday 56°F Sunny 5 mph W 1%
Sunday Night 37°F Mostly Clear 0 to 5 mph W 0%
Monday 60°F Sunny 0 to 5 mph SW 0%
Monday Night 41°F Mostly Clear 5 mph WSW 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 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

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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 Nov 4, 2026.