Glen Rock, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glen Rock, a borough in York County, Pennsylvania.
Today
76°F
Partly Sunny
Partly sunny, with a high near 76. East wind around 6 mph.
7-day forecast for Glen Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Partly Sunny | 6 mph E | 6% |
| Tonight | 61°F | Mostly Cloudy then Chance Rain Showers | 6 to 12 mph SE | 40% |
| Sunday | 76°F | Showers And Thunderstorms | 8 to 14 mph S | 91% |
| Sunday Night | 55°F | Showers And Thunderstorms | 3 to 12 mph W | 91% |
| Monday | 68°F | Slight Chance Rain Showers | 8 to 12 mph NE | 24% |
| Monday Night | 50°F | Chance Rain Showers | 6 to 10 mph NE | 43% |
| Tuesday | 60°F | Chance Rain Showers | 13 mph NE | 54% |
| Tuesday Night | 48°F | Chance Rain Showers | 14 mph NE | 51% |
| Wednesday | 60°F | Chance Rain Showers | 15 mph NE | 42% |
| Wednesday Night | 49°F | Chance Rain Showers | 10 to 14 mph NE | 43% |
| Thursday | 62°F | Chance Rain Showers | 14 mph NE | 43% |
| Thursday Night | 48°F | Chance Rain Showers | 6 to 10 mph NE | 36% |
| Friday | 66°F | Chance Rain Showers | 12 mph N | 30% |
| Friday Night | 48°F | Slight Chance Rain Showers | 5 to 10 mph N | 17% |
Forecast source: National Weather Service (api.weather.gov) for Glen Rock (39.794, -76.731). Updated through the day.
Growing snapshot for Glen Rock
Last spring frost
Apr 19
First fall frost
Oct 25
Growing season
188 days
Hardiness zone
7a
More local growing data for Glen Rock: nearby ZIP 17327 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
Goldsboro
Grantley
Hallam
Hanover
Jacobus
Jefferson
Lewisberry
Loganville
Manchester
Mount Royal
Mount Wolf
New Freedom
New Market
New Salem
North York
Parkville
Pennville
Pleasureville
Queens Gate
Climate data from the nearest NOAA station, Millers 4 Ne, Md (4.9 mi from Glen Rock). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.