Pennville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pennville, a community in York County, Pennsylvania.
This Afternoon
81°F
Mostly Sunny
Mostly sunny, with a high near 81. North wind around 8 mph.
7-day forecast for Pennville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Mostly Sunny | 8 mph N | 0% |
| Tonight | 53°F | Partly Cloudy | 3 to 7 mph N | 0% |
| Saturday | 77°F | Mostly Sunny | 5 mph NE | 3% |
| Saturday Night | 64°F | Mostly Cloudy then Chance Rain Showers | 5 to 9 mph SE | 27% |
| Sunday | 79°F | Showers And Thunderstorms | 8 to 12 mph S | 78% |
| Sunday Night | 61°F | Showers And Thunderstorms | 3 to 8 mph NW | 78% |
| Monday | 70°F | Chance Rain Showers | 8 mph NE | 39% |
| Monday Night | 56°F | Chance Rain Showers | 6 to 9 mph NE | 50% |
| Tuesday | 62°F | Rain Showers Likely | 10 mph NE | 62% |
| Tuesday Night | 51°F | Rain Showers Likely | 8 to 12 mph NE | 62% |
| Wednesday | 60°F | Chance Rain Showers | 10 mph NE | 52% |
| Wednesday Night | 51°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 51% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 9 mph NE | 45% |
| Thursday Night | 51°F | Chance Showers And Thunderstorms | 2 to 7 mph N | 41% |
Forecast source: National Weather Service (api.weather.gov) for Pennville (39.787, -76.992). Updated through the day.
Growing snapshot for Pennville
Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
177 days
Hardiness zone
7a
More local growing data for Pennville: nearby ZIP 17331 weather · frost dates · planting calendar · Pennsylvania frost dates
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North York
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Climate data from the nearest NOAA station, Hanover 4 Sw, Pa (3.1 mi from Pennville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.