Porter, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Porter, a town in Porter County, Indiana.
Today
81°F
Sunny
Sunny, with a high near 81. South southwest wind around 5 mph.
7-day forecast for Porter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 5 mph SSW | 0% |
| Tonight | 65°F | Partly Cloudy | 5 to 10 mph S | 1% |
| Wednesday | 80°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 36% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph SW | 88% |
| Thursday | 76°F | Rain Showers then Chance Showers And Thunderstorms | 5 mph W | 88% |
| Thursday Night | 63°F | Chance Showers And Thunderstorms | 0 to 5 mph ESE | 49% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph WSW | 8% |
| Friday Night | 66°F | Mostly Clear | 0 to 5 mph SE | 8% |
| Saturday | 82°F | Mostly Sunny | 5 mph SSW | 10% |
| Saturday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 19% |
| Sunday | 84°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph SW | 19% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 41% |
| Monday | 83°F | Chance Rain Showers | 5 to 10 mph SW | 41% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 mph WSW | 48% |
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 Aug 4, 2026.