Mount Royal, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Royal, a community in York County, Pennsylvania.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Northeast wind 1 to 5 mph.
7-day forecast for Mount Royal
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 1 to 5 mph NE | 0% |
| Tonight | 66°F | Mostly Cloudy | 0 to 3 mph E | 6% |
| Wednesday | 82°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph E | 58% |
| Wednesday Night | 70°F | Showers And Thunderstorms Likely | 5 mph S | 73% |
| Thursday | 88°F | Partly Sunny then Showers And Thunderstorms Likely | 3 to 7 mph S | 57% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely | 1 to 6 mph SW | 57% |
| Friday | 87°F | Mostly Sunny then Showers And Thunderstorms Likely | 1 to 6 mph SW | 57% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SW | 57% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 6 mph W | 49% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 0 to 3 mph SW | 49% |
| Sunday | 87°F | Mostly Sunny | 0 to 5 mph W | 14% |
| Sunday Night | 70°F | Partly Cloudy | 3 mph SW | 14% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 8 mph W | 18% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph SW | 18% |
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 Aug 4, 2026.