Port Royal, PA Weather & Growing Conditions
Today
85°F
Sunny
Sunny, with a high near 85. East wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 1 mph E | 0% |
| Tonight | 65°F | Mostly Cloudy | 1 mph E | 6% |
| Wednesday | 82°F | Chance Rain Showers then Mostly Cloudy | 2 mph E | 33% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms then Patchy Fog | 1 mph NE | 48% |
| Thursday | 87°F | Patchy Fog then Showers And Thunderstorms | 0 to 3 mph SW | 75% |
| Thursday Night | 71°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 mph NW | 75% |
| Friday | 86°F | Showers And Thunderstorms Likely | 2 mph W | 63% |
| Friday Night | 68°F | Showers And Thunderstorms Likely | 1 mph NW | 63% |
| Saturday | 85°F | Showers And Thunderstorms Likely | 0 to 3 mph W | 56% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 1 mph W | 56% |
| Sunday | 88°F | Mostly Sunny | 0 to 3 mph W | 13% |
| Sunday Night | 70°F | Partly Cloudy | 2 mph SW | 13% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph W | 21% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph W | 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 Aug 4, 2026.