Penryn, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Penryn, a community in Lancaster County, Pennsylvania.
Tonight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. Southeast wind 2 to 6 mph.
7-day forecast for Penryn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Partly Cloudy | 2 to 6 mph SE | 2% |
| Wednesday | 74°F | Mostly Sunny | 2 to 13 mph S | 2% |
| Wednesday Night | 59°F | Mostly Cloudy then Chance Rain Showers | 10 mph S | 46% |
| Thursday | 73°F | Rain Showers | 8 to 12 mph S | 87% |
| Thursday Night | 59°F | Rain Showers | 2 to 7 mph SW | 78% |
| Friday | 69°F | Rain Showers Likely | 5 mph NW | 67% |
| Friday Night | 49°F | Rain Showers Likely | 2 to 6 mph NW | 55% |
| Saturday | 63°F | Slight Chance Rain Showers | 6 to 13 mph NW | 17% |
| Saturday Night | 41°F | Slight Chance Rain Showers then Partly Cloudy | 8 to 12 mph NW | 17% |
| Sunday | 60°F | Mostly Sunny | 7 to 10 mph W | 9% |
| Sunday Night | 40°F | Slight Chance Rain Showers | 7 to 10 mph W | 22% |
| Monday | 59°F | Slight Chance Rain Showers | 10 to 18 mph NW | 23% |
| Monday Night | 38°F | Slight Chance Rain Showers | 7 to 13 mph W | 19% |
| Tuesday | 62°F | Slight Chance Rain Showers then Sunny | 8 to 17 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov) for Penryn (40.196, -76.370). Updated through the day.
Growing snapshot for Penryn
Last spring frost
Apr 30
First fall frost
Oct 10
Growing season
162 days
Hardiness zone
7a
More local growing data for Penryn: nearby ZIP 17545 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Adamstown
Akron
Bainbridge
Bird-in-Hand
Blue Ball
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Brickerville
Brownstown
Cambridge
Churchtown
Clay
Columbia
Conestoga
Denver
East Earl
East Petersburg
Elizabethtown
Ephrata
Falmouth
Farmersville
Fivepointville
Gap
Georgetown
Goodville
Gordonville
Hinkletown
Hopeland
Intercourse
Kirkwood
Lampeter
Climate data from the nearest NOAA station, Landisville 2 Nw, Pa (3.7 mi from Penryn). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.