Orrstown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Orrstown, a borough in Franklin County, Pennsylvania.
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. East wind 0 to 3 mph.
7-day forecast for Orrstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 0 to 3 mph E | 0% |
| Tonight | 65°F | Mostly Cloudy | 2 mph E | 8% |
| Wednesday | 84°F | Slight Chance Showers And Thunderstorms | 0 to 3 mph E | 46% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 0 to 3 mph E | 55% |
| Thursday | 89°F | Patchy Fog then Showers And Thunderstorms Likely | 1 to 5 mph SW | 65% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SW | 65% |
| Friday | 88°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph SW | 59% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 3 mph SW | 59% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph W | 47% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 0 to 3 mph W | 47% |
| Sunday | 89°F | Mostly Sunny | 0 to 5 mph W | 14% |
| Sunday Night | 69°F | Partly Cloudy | 3 mph SW | 14% |
| Monday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 8 mph W | 17% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 1 to 7 mph SW | 17% |
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 Aug 4, 2026.