Glen Rock, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glen Rock, a borough in York County, Pennsylvania.
Overnight
63°F
Chance Rain Showers
A chance of rain showers after 1am. Mostly cloudy, with a low around 63. Southeast wind around 12 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Glen Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Chance Rain Showers | 12 mph SE | 46% |
| Sunday | 81°F | Rain Showers Likely | 9 to 14 mph S | 71% |
| Sunday Night | 57°F | Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph W | 83% |
| Monday | 70°F | Mostly Cloudy then Chance Rain Showers | 10 mph NE | 33% |
| Monday Night | 53°F | Chance Rain Showers | 6 to 9 mph NE | 51% |
| Tuesday | 64°F | Rain Showers Likely | 12 mph NE | 61% |
| Tuesday Night | 50°F | Rain Showers Likely | 9 to 13 mph NE | 60% |
| Wednesday | 62°F | Chance Rain Showers | 14 mph NE | 44% |
| Wednesday Night | 50°F | Chance Rain Showers | 10 to 14 mph NE | 29% |
| Thursday | 62°F | Slight Chance Rain Showers | 14 mph NE | 20% |
| Thursday Night | 49°F | Chance Rain Showers | 6 to 12 mph N | 30% |
| Friday | 66°F | Chance Rain Showers | 13 mph N | 30% |
| Friday Night | 49°F | Chance Rain Showers | 6 to 13 mph N | 27% |
| Saturday | 69°F | Slight Chance Rain Showers | 13 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 20, 2026.