Porter, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Porter, a town in Porter County, Indiana.
This Afternoon
72°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 72. East northeast wind around 10 mph. Chance of precipitation is 30%.
7-day forecast for Porter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Chance Rain Showers | 10 mph ENE | 30% |
| Tonight | 60°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph E | 38% |
| Saturday | 76°F | Showers And Thunderstorms Likely | 5 to 15 mph SE | 84% |
| Saturday Night | 65°F | Showers And Thunderstorms Likely | 5 mph SSE | 83% |
| Sunday | 69°F | Showers And Thunderstorms | 10 to 15 mph NNE | 83% |
| Sunday Night | 54°F | Rain Showers Likely | 15 mph ENE | 62% |
| Monday | 65°F | Showers And Thunderstorms Likely | 15 mph ENE | 55% |
| Monday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph ENE | 33% |
| Tuesday | 64°F | Slight Chance Rain Showers | 10 mph NE | 18% |
| Tuesday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 18% |
| Wednesday | 65°F | Slight Chance Rain Showers | 5 to 10 mph NNE | 15% |
| Wednesday Night | 54°F | Mostly Cloudy | 5 mph NE | 6% |
| Thursday | 67°F | Partly Sunny | 5 to 10 mph NNE | 4% |
| Thursday Night | 56°F | Mostly Cloudy | 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Porter (41.628, -87.083). Updated through the day.
Growing snapshot for Porter
Last spring frost
Apr 22
First fall frost
Oct 27
Growing season
188 days
Hardiness zone
6a
More local growing data for Porter: nearby ZIP 46304 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Aberdeen
Beverly Shores
Boone Grove
Burns Harbor
Chesterton
Dune Acres
Hebron
Kouts
Lake Eliza
Lakes of the Four Seasons
Malden
Ogden Dunes
Portage
Salt Creek Commons
Shorewood Forest
South Haven
Town of Pines
Valparaiso
Wheeler
Climate data from the nearest NOAA station, Indiana Dunes Nl, In (2.3 mi from Porter). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.