Port Royal, PA Weather & Growing Conditions
This Afternoon
74°F
Partly Sunny
Partly sunny, with a high near 74. East wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Partly Sunny | 2 mph E | 2% |
| Tonight | 61°F | Rain Showers | 1 to 5 mph E | 80% |
| Sunday | 76°F | Rain Showers | 5 mph S | 84% |
| Sunday Night | 54°F | Showers And Thunderstorms Likely | 5 mph NW | 70% |
| Monday | 68°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph NE | 16% |
| Monday Night | 50°F | Chance Rain Showers | 6 mph NE | 53% |
| Tuesday | 60°F | Rain Showers Likely | 6 mph E | 60% |
| Tuesday Night | 48°F | Chance Rain Showers | 7 mph E | 52% |
| Wednesday | 59°F | Chance Rain Showers | 7 mph E | 50% |
| Wednesday Night | 48°F | Chance Rain Showers | 5 mph E | 40% |
| Thursday | 62°F | Chance Rain Showers | 5 mph NE | 39% |
| Thursday Night | 48°F | Chance Rain Showers | 3 mph NE | 36% |
| Friday | 67°F | Chance Rain Showers | 5 mph N | 29% |
| Friday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 3 mph N | 21% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Royal, PA
Last spring frost
Apr 21
First fall frost
Oct 24
Growing season
185 days
Hardiness zone
7a
Explore more for Port Royal, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Lewistown, Pa (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.