Gary, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Gary, a city 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 57 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph.

7-day forecast for Gary

When	Temp	Forecast	Wind	Precip
This Afternoon	65°F	Slight Chance Rain Showers	15 mph SW	2%
Tonight	48°F	Slight Chance Rain Showers then Slight Chance Rain	10 to 15 mph SW	17%
Thursday	55°F	Mostly Cloudy then Chance Rain	10 to 15 mph WSW	45%
Thursday Night	41°F	Rain	10 mph NW	77%
Friday	50°F	Chance Rain	15 mph NNW	28%
Friday Night	38°F	Mostly Cloudy	5 to 10 mph NNW	8%
Saturday	50°F	Mostly Sunny	5 mph NW	3%
Saturday Night	35°F	Mostly Clear	0 to 5 mph W	0%
Sunday	56°F	Sunny	5 mph W	1%
Sunday Night	38°F	Mostly Clear	0 to 5 mph W	0%
Monday	60°F	Sunny	0 to 5 mph SW	0%
Monday Night	42°F	Mostly Clear	5 mph WSW	0%
Tuesday	60°F	Sunny	0 to 5 mph WNW	1%
Tuesday Night	41°F	Partly Cloudy	0 mph	2%

Forecast source: National Weather Service (api.weather.gov) for Gary (41.591, -87.347). Updated through the day.

Growing snapshot for Gary

Last spring frost

Apr 22

First fall frost

Oct 27

Growing season

188 days

Hardiness zone

More local growing data for Gary: nearby ZIP 46407 weather · frost dates · planting calendar · Indiana frost dates

Nearby towns & communities

Cedar Lake Crown Point Dyer East Chicago Griffith Hammond Highland Hobart Lake Dalecarlia Lake Station Leroy Lowell Merrillville Munster New Chicago Ross Schererville Schneider Shelby St. John Whiting Winfield

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Climate data from the nearest NOAA station, Indiana Dunes Nl, In (13 mi from Gary). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.