La Porte, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Porte, a city in Laporte County, Indiana.
This Afternoon
73°F
Slight Chance Rain Showers
A slight chance of rain showers after 4pm. Partly sunny, with a high near 73. East wind around 10 mph. Chance of precipitation is 20%.
7-day forecast for La Porte
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Slight Chance Rain Showers | 10 mph E | 19% |
| Tonight | 57°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph E | 46% |
| Saturday | 76°F | Showers And Thunderstorms | 10 mph SE | 82% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph SW | 86% |
| Sunday | 72°F | Showers And Thunderstorms | 5 to 10 mph N | 81% |
| Sunday Night | 51°F | Showers And Thunderstorms Likely | 10 mph NE | 63% |
| Monday | 65°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 52% |
| Monday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 31% |
| Tuesday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph NE | 20% |
| Tuesday Night | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 20% |
| Wednesday | 66°F | Partly Sunny | 5 to 10 mph NE | 13% |
| Wednesday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 8% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph N | 5% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 10 mph N | 4% |
Forecast source: National Weather Service (api.weather.gov) for La Porte (41.606, -86.714). Updated through the day.
Growing snapshot for La Porte
Last spring frost
Apr 19
First fall frost
Oct 27
Growing season
191 days
Hardiness zone
6a
More local growing data for La Porte: nearby ZIP 46350 weather · frost dates · planting calendar · Indiana frost dates
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Climate data from the nearest NOAA station, Laporte, In (0.5 mi from La Porte). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.