Orrstown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Orrstown, a borough in Franklin County, Pennsylvania.
This Afternoon
73°F
Mostly Sunny
Mostly sunny, with a high near 73. South wind around 3 mph.
7-day forecast for Orrstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Sunny | 3 mph S | 1% |
| Tonight | 50°F | Mostly Clear then Patchy Fog | 3 mph SE | 1% |
| Wednesday | 75°F | Patchy Fog then Mostly Sunny | 1 to 10 mph SE | 2% |
| Wednesday Night | 61°F | Mostly Cloudy then Rain Showers | 8 mph S | 89% |
| Thursday | 75°F | Rain Showers | 3 to 9 mph S | 78% |
| Thursday Night | 55°F | Chance Rain Showers | 0 to 3 mph SW | 37% |
| Friday | 70°F | Chance Rain Showers | 2 mph NW | 44% |
| Friday Night | 45°F | Chance Rain Showers then Partly Cloudy | 1 mph NW | 41% |
| Saturday | 62°F | Mostly Sunny | 1 to 8 mph NW | 14% |
| Saturday Night | 36°F | Partly Cloudy | 2 to 6 mph NW | 11% |
| Sunday | 60°F | Mostly Sunny | 2 to 6 mph W | 9% |
| Sunday Night | 35°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph W | 19% |
| Monday | 59°F | Slight Chance Rain Showers | 5 to 12 mph W | 23% |
| Monday Night | 34°F | Slight Chance Rain Showers then Partly Cloudy | 6 mph W | 20% |
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 Nov 3, 2026.