Indiana, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Indiana, a borough in Indiana County, Pennsylvania.
Overnight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. East wind around 6 mph.
7-day forecast for Indiana
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Partly Cloudy | 6 mph E | 1% |
| Saturday | 74°F | Partly Sunny | 7 mph SE | 3% |
| Saturday Night | 62°F | Rain Showers Likely | 6 to 10 mph SE | 64% |
| Sunday | 74°F | Showers And Thunderstorms | 6 to 9 mph SW | 96% |
| Sunday Night | 52°F | Showers And Thunderstorms Likely | 9 mph N | 62% |
| Monday | 66°F | Chance Rain Showers | 10 mph NE | 33% |
| Monday Night | 50°F | Rain Showers Likely | 9 to 13 mph E | 64% |
| Tuesday | 60°F | Rain Showers Likely | 15 mph E | 64% |
| Tuesday Night | 48°F | Chance Rain Showers | 17 mph E | 54% |
| Wednesday | 60°F | Chance Rain Showers | 17 mph E | 54% |
| Wednesday Night | 48°F | Showers And Thunderstorms Likely | 12 to 15 mph E | 56% |
| Thursday | 63°F | Rain Showers Likely | 9 to 13 mph E | 56% |
| Thursday Night | 48°F | Chance Showers And Thunderstorms | 5 to 9 mph E | 30% |
| Friday | 66°F | Partly Sunny then Slight Chance Rain Showers | 5 to 8 mph NE | 17% |
Forecast source: National Weather Service (api.weather.gov) for Indiana (40.622, -79.155). Updated through the day.
Growing snapshot for Indiana
Last spring frost
May 8
First fall frost
Oct 13
Growing season
157 days
Hardiness zone
6b
More local growing data for Indiana: nearby ZIP 15705 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Alverda
Armagh
Black Lick
Blairsville
Bolivar
Cherry Tree
Chevy Chase Heights
Clymer
Commodore
Coral
Creekside
Dixonville
Ernest
Glen Campbell
Graceton
Heilwood
Homer City
Jacksonville
Lucerne Mines
Marion Center
Plumville
Robinson
Rossiter
Saltsburg
Seward
Smicksburg
Vintondale
Climate data from the nearest NOAA station, Indiana 3 Se, Pa (2.5 mi from Indiana). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.