Chesterton, IN Weather & Growing Conditions
This Afternoon
76°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Cloudy. High near 76, with temperatures falling to around 74 in the afternoon. South southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Showers And Thunderstorms Likely | 5 to 10 mph SSE | 63% |
| Tonight | 63°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 mph SSE | 91% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 5 to 15 mph NNE | 61% |
| Sunday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 34% |
| Monday | 66°F | Chance Rain Showers | 10 to 15 mph ENE | 29% |
| Monday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph ENE | 18% |
| Tuesday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 24% |
| Tuesday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 24% |
| Wednesday | 65°F | Partly Sunny | 5 to 10 mph NE | 9% |
| Wednesday Night | 52°F | Mostly Cloudy | 5 to 10 mph NE | 7% |
| Thursday | 67°F | Partly Sunny | 5 to 10 mph NNE | 4% |
| Thursday Night | 52°F | Mostly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 69°F | Mostly Sunny | 5 mph NE | 2% |
| Friday Night | 52°F | Partly Cloudy | 0 to 5 mph ENE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chesterton, IN
Last spring frost
Apr 22
First fall frost
Oct 27
Growing season
188 days
Hardiness zone
6a
Explore more for Chesterton, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Indiana Dunes Nl, In (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.