Orrstown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Orrstown, a borough in Franklin County, Pennsylvania.
This Afternoon
81°F
Mostly Sunny
Mostly sunny, with a high near 81. North wind around 5 mph.
7-day forecast for Orrstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Mostly Sunny | 5 mph N | 0% |
| Tonight | 52°F | Mostly Clear | 5 mph NE | 0% |
| Saturday | 77°F | Partly Sunny | 5 mph E | 3% |
| Saturday Night | 63°F | Chance Rain Showers | 2 to 7 mph SE | 36% |
| Sunday | 78°F | Showers And Thunderstorms | 5 to 8 mph S | 94% |
| Sunday Night | 58°F | Showers And Thunderstorms | 2 to 7 mph NW | 94% |
| Monday | 70°F | Chance Rain Showers | 7 mph NE | 37% |
| Monday Night | 55°F | Rain Showers Likely | 8 mph NE | 66% |
| Tuesday | 62°F | Rain Showers Likely | 9 mph NE | 71% |
| Tuesday Night | 50°F | Rain Showers Likely | 9 mph NE | 71% |
| Wednesday | 60°F | Rain Showers Likely | 9 mph NE | 56% |
| Wednesday Night | 50°F | Chance Showers And Thunderstorms | 7 mph NE | 54% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 8 mph NE | 52% |
| Thursday Night | 51°F | Chance Rain Showers | 5 mph NE | 41% |
Forecast source: National Weather Service (api.weather.gov) for Orrstown (40.059, -77.608). Updated through the day.
Growing snapshot for Orrstown
Last spring frost
Apr 19
First fall frost
Oct 24
Growing season
188 days
More local growing data for Orrstown: nearby ZIP 17232 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Blue Ridge Summit
Chambersburg
Fayetteville
Fort Loudon
Greencastle
Guilford
Marion
Mercersburg
Mont Alto
Pen Mar
Rouzerville
Scotland
State Line
Wayne Heights
Waynesboro
Climate data from the nearest NOAA station, Shippensburg, Pa (6.4 mi from Orrstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.