Blairsville, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blairsville, a community in Posey County, Indiana.
Today
86°F
Sunny
Sunny, with a high near 86. Northeast wind around 2 mph.
7-day forecast for Blairsville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 2 mph NE | 0% |
| Tonight | 65°F | Mostly Clear | 2 mph NE | 0% |
| Wednesday | 88°F | Sunny | 1 mph W | 0% |
| Wednesday Night | 68°F | Mostly Clear | 1 mph SSE | 2% |
| Thursday | 88°F | Mostly Sunny | 5 mph SSW | 12% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 3 mph S | 44% |
| Friday | 88°F | Chance Showers And Thunderstorms | 2 to 6 mph SSW | 44% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 2 mph SSW | 34% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 5 mph SW | 34% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph S | 27% |
| Sunday | 90°F | Mostly Sunny | 3 to 7 mph SSW | 11% |
| Sunday Night | 72°F | Mostly Clear | 5 mph SSW | 11% |
| Monday | 91°F | Sunny | 5 to 8 mph SSW | 9% |
| Monday Night | 73°F | Mostly Clear | 6 mph SSW | 13% |
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 Aug 4, 2026.