Chesterton, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Chesterton, a town in Porter County, Indiana.

This Afternoon

66°F

Slight Chance Rain Showers

A slight chance of rain showers and a slight chance of drizzle. Mostly cloudy. High near 66, 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 Chesterton

When	Temp	Forecast	Wind	Precip
This Afternoon	66°F	Slight Chance Rain Showers	15 mph WSW	1%
Tonight	47°F	Slight Chance Rain Showers then Slight Chance Rain	10 to 15 mph SW	16%
Thursday	55°F	Mostly Cloudy then Chance Rain	10 to 15 mph SW	45%
Thursday Night	41°F	Rain	10 mph NW	89%
Friday	50°F	Chance Rain	10 to 15 mph NNW	49%
Friday Night	38°F	Mostly Cloudy	5 to 15 mph NNW	14%
Saturday	50°F	Mostly Sunny	5 to 10 mph NW	4%
Saturday Night	34°F	Mostly Clear	0 to 5 mph WNW	0%
Sunday	55°F	Sunny	5 to 10 mph W	2%
Sunday Night	36°F	Mostly Clear	5 mph W	0%
Monday	60°F	Sunny	5 to 10 mph WSW	0%
Monday Night	41°F	Mostly Clear	5 mph SW	0%
Tuesday	59°F	Sunny	0 to 5 mph WNW	1%
Tuesday Night	39°F	Partly Cloudy	0 mph	2%

Forecast source: National Weather Service (api.weather.gov) for Chesterton (41.600, -87.055). Updated through the day.

Growing snapshot for Chesterton

Last spring frost

Apr 22

First fall frost

Oct 27

Growing season

188 days

Hardiness zone

More local growing data for Chesterton: nearby ZIP 46304 weather · frost dates · planting calendar · Indiana frost dates

Nearby towns & communities

Aberdeen Beverly Shores Boone Grove Burns Harbor Dune Acres Hebron Kouts Lake Eliza Lakes of the Four Seasons Malden Ogden Dunes Portage Porter Salt Creek Commons Shorewood Forest South Haven Town of Pines Valparaiso Wheeler

All Indiana locations ›

Climate data from the nearest NOAA station, Indiana Dunes Nl, In (2.3 mi from Chesterton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.