Westport, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westport, a town in Decatur County, Indiana.
Today
83°F
Sunny
Sunny, with a high near 83. Northeast wind around 2 mph.
7-day forecast for Westport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 2 mph NE | 0% |
| Tonight | 63°F | Mostly Clear | 1 mph NNE | 0% |
| Wednesday | 86°F | Sunny | 2 mph NW | 0% |
| Wednesday Night | 67°F | Mostly Clear | 1 mph SSE | 2% |
| Thursday | 86°F | Mostly Sunny then Scattered Showers And Thunderstorms | 1 to 5 mph SSW | 25% |
| Thursday Night | 68°F | Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SSW | 62% |
| Friday | 84°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 1 to 5 mph SSW | 61% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 0 to 3 mph SW | 60% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 28% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SSW | 25% |
| Sunday | 87°F | Mostly Sunny | 1 to 6 mph SW | 13% |
| Sunday Night | 70°F | Partly Cloudy | 5 mph SSW | 13% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 7 mph SW | 17% |
| Monday Night | 71°F | Chance Showers And Thunderstorms | 3 mph SW | 29% |
Forecast source: National Weather Service (api.weather.gov) for Westport (39.176, -85.575). Updated through the day.
Growing snapshot for Westport
Last spring frost
Apr 21
First fall frost
Oct 21
Growing season
180 days
Hardiness zone
6b
More local growing data for Westport: nearby ZIP 47283 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Adams
Andersonville
Burney
Clarksburg
Greensburg
Lake Santee
Letts
Milford
Millhousen
New Point
Sardinia
St. Omer
St. Paul
Climate data from the nearest NOAA station, N Vernon 2 Ese, In (11.6 mi from Westport). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.