Orrstown, PA Weather & Growing Conditions
Overnight
53°F
Mostly Cloudy
Mostly cloudy, with a low around 53. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Cloudy | 5 mph NE | 0% |
| Saturday | 75°F | Partly Sunny | 5 mph NE | 9% |
| Saturday Night | 62°F | Rain Showers Likely | 2 to 8 mph SE | 67% |
| Sunday | 76°F | Showers And Thunderstorms | 3 to 9 mph S | 88% |
| Sunday Night | 55°F | Showers And Thunderstorms | 2 to 8 mph NW | 88% |
| Monday | 67°F | Chance Rain Showers | 5 to 8 mph NE | 27% |
| Monday Night | 50°F | Rain Showers Likely | 5 to 9 mph NE | 59% |
| Tuesday | 59°F | Rain Showers Likely | 6 to 9 mph NE | 68% |
| Tuesday Night | 48°F | Rain Showers Likely | 6 to 10 mph E | 57% |
| Wednesday | 58°F | Chance Rain Showers | 7 to 10 mph NE | 51% |
| Wednesday Night | 49°F | Chance Rain Showers | 9 mph NE | 42% |
| Thursday | 61°F | Chance Rain Showers | 5 to 9 mph NE | 42% |
| Thursday Night | 48°F | Chance Rain Showers | 5 mph NE | 36% |
| Friday | 66°F | Slight Chance Rain Showers | 6 mph N | 21% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Orrstown, PA
Last spring frost
Apr 19
First fall frost
Oct 24
Growing season
188 days
Hardiness zone
7a
Explore more for Orrstown, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Shippensburg, Pa (8.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.