Pennville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pennville, a community in York County, Pennsylvania.
This Afternoon
85°F
Mostly Sunny
Mostly sunny, with a high near 85. East wind around 5 mph.
7-day forecast for Pennville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 68°F | Mostly Cloudy then Patchy Fog | 1 to 5 mph SE | 14% |
| Wednesday | 82°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 1 to 5 mph SE | 74% |
| Wednesday Night | 71°F | Showers And Thunderstorms Likely | 5 mph S | 68% |
| Thursday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 9 mph S | 46% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 1 to 7 mph SW | 46% |
| Friday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph SW | 49% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 49% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph SW | 43% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 3 mph SW | 43% |
| Sunday | 88°F | Mostly Sunny | 1 to 5 mph W | 13% |
| Sunday Night | 70°F | Partly Cloudy | 3 mph SW | 13% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph W | 20% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph W | 20% |
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 Aug 4, 2026.