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
84°F
Mostly Sunny
Mostly sunny, with a high near 84. East wind around 5 mph.
7-day forecast for Glen Rock
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 65°F | Mostly Cloudy then Patchy Fog | 1 to 5 mph SE | 17% |
| Wednesday | 83°F | Patchy Fog | 2 to 6 mph SE | 76% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 6 mph S | 72% |
| Thursday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph S | 54% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 54% |
| Friday | 88°F | Mostly Sunny then Showers And Thunderstorms Likely | 2 to 7 mph SW | 55% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 6 mph SW | 55% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph W | 48% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 48% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 15% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 15% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 9 mph W | 21% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph W | 21% |
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
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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 Aug 4, 2026.