Blairsville, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blairsville, a community in Posey County, Indiana.
Tonight
72°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 72. East southeast wind around 3 mph. Chance of precipitation is 20%.
7-day forecast for Blairsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph ESE | 21% |
| Saturday | 97°F | Sunny | 2 to 6 mph SSW | 12% |
| Saturday Night | 73°F | Partly Cloudy | 5 mph SSW | 9% |
| Sunday | 97°F | Mostly Sunny | 3 to 7 mph WSW | 10% |
| Sunday Night | 70°F | Partly Cloudy | 6 mph NNE | 14% |
| Monday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph NNE | 41% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 7 to 12 mph NNE | 42% |
| Tuesday | 77°F | Chance Showers And Thunderstorms | 7 to 12 mph N | 36% |
| Tuesday Night | 59°F | Partly Cloudy | 5 to 13 mph N | 12% |
| Wednesday | 76°F | Mostly Sunny | 5 to 9 mph N | 5% |
| Wednesday Night | 58°F | Partly Cloudy | 3 to 9 mph N | 3% |
| Thursday | 77°F | Mostly Sunny | 3 to 8 mph N | 2% |
| Thursday Night | 59°F | Partly Cloudy | 3 to 8 mph NNE | 2% |
| Friday | 77°F | Mostly Sunny | 3 to 8 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Blairsville (38.079, -87.763). Updated through the day.
Growing snapshot for Blairsville
Last spring frost
Apr 7
First fall frost
Oct 28
Growing season
202 days
Hardiness zone
7a
More local growing data for Blairsville: nearby ZIP 47638 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mt Vernon, In (11.4 mi from Blairsville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.