Orrstown, PA Weather & Growing Conditions
Overnight
50°F
Patchy Fog
Patchy fog after 3am. Mostly clear, with a low around 50. South wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Patchy Fog | 1 mph S | 0% |
| Wednesday | 75°F | Patchy Fog then Mostly Sunny | 0 to 9 mph S | 1% |
| Wednesday Night | 61°F | Light Rain | 5 to 8 mph S | 90% |
| Thursday | 75°F | Light Rain Likely | 3 to 8 mph SW | 69% |
| Thursday Night | 55°F | Chance Light Rain then Chance Rain Showers | 2 mph SW | 36% |
| Friday | 70°F | Chance Rain Showers | 2 mph NW | 43% |
| Friday Night | 45°F | Chance Rain Showers then Partly Cloudy | 1 mph NW | 41% |
| Saturday | 62°F | Slight Chance Rain Showers | 1 to 8 mph NW | 15% |
| Saturday Night | 37°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 | 18% |
| Monday | 59°F | Slight Chance Rain Showers | 5 to 10 mph W | 23% |
| Monday Night | 35°F | Slight Chance Rain Showers then Partly Cloudy | 6 mph W | 20% |
| Tuesday | 63°F | Mostly Sunny | 6 to 10 mph W | 9% |
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
Explore more for Orrstown, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Shippensburg, Pa (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.