Mount Royal, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Royal, a community in York County, Pennsylvania.
Overnight
54°F
Partly Cloudy
Partly cloudy, with a low around 54. North wind around 3 mph.
7-day forecast for Mount Royal
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Partly Cloudy | 3 mph N | 0% |
| Saturday | 76°F | Partly Sunny | 5 mph E | 5% |
| Saturday Night | 62°F | Mostly Cloudy then Rain Showers Likely | 5 to 10 mph SE | 67% |
| Sunday | 75°F | Showers And Thunderstorms | 6 to 13 mph S | 91% |
| Sunday Night | 56°F | Showers And Thunderstorms | 3 to 10 mph NW | 91% |
| Monday | 67°F | Slight Chance Rain Showers | 7 to 10 mph N | 22% |
| Monday Night | 51°F | Chance Rain Showers | 5 to 9 mph NE | 46% |
| Tuesday | 59°F | Rain Showers Likely | 10 mph NE | 56% |
| Tuesday Night | 49°F | Chance Rain Showers | 8 to 12 mph NE | 49% |
| Wednesday | 59°F | Chance Rain Showers | 12 mph NE | 40% |
| Wednesday Night | 50°F | Chance Rain Showers | 8 to 12 mph NE | 42% |
| Thursday | 61°F | Chance Rain Showers | 12 mph NE | 42% |
| Thursday Night | 49°F | Chance Rain Showers | 3 to 9 mph NE | 39% |
| Friday | 65°F | Chance Rain Showers | 7 to 10 mph N | 28% |
Forecast source: National Weather Service (api.weather.gov) for Mount Royal (40.038, -76.887). Updated through the day.
Growing snapshot for Mount Royal
Last spring frost
Apr 27
First fall frost
Oct 18
Growing season
174 days
Hardiness zone
7a
More local growing data for Mount Royal: nearby ZIP 17315 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Cross Roads
Dallastown
Delta
Dillsburg
Dover
East Prospect
East York
Emigsville
Fawn Grove
Felton
Franklintown
Glen Rock
Goldsboro
Grantley
Hallam
Hanover
Jacobus
Jefferson
Lewisberry
Loganville
Manchester
Mount Wolf
New Freedom
New Market
New Salem
North York
Parkville
Pennville
Pleasureville
Queens Gate
Climate data from the nearest NOAA station, York Ap, Pa (6.6 mi from Mount Royal). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.