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Pennville, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Pennville, a community in York County, Pennsylvania.

Today
74°F
Mostly Sunny
Mostly sunny, with a high near 74. South wind 8 to 12 mph.

7-day forecast for Pennville

WhenTempForecastWindPrecip
Today 74°F Mostly Sunny 8 to 12 mph S 1%
Tonight 61°F Mostly Cloudy then Light Rain Likely 8 to 12 mph S 55%
Thursday 73°F Light Rain Likely 6 to 12 mph S 72%
Thursday Night 58°F Chance Light Rain 0 to 6 mph SW 45%
Friday 68°F Chance Light Rain 0 to 3 mph N 45%
Friday Night 46°F Slight Chance Light Rain then Partly Cloudy 3 mph NW 24%
Saturday 60°F Mostly Sunny 3 to 12 mph NW 10%
Saturday Night 38°F Partly Cloudy 6 to 9 mph W 10%
Sunday 59°F Mostly Sunny 6 to 10 mph NW 3%
Sunday Night 36°F Mostly Clear 7 mph W 3%
Monday 59°F Sunny 6 to 13 mph W 4%
Monday Night 35°F Mostly Clear 2 to 7 mph W 4%
Tuesday 63°F Sunny 5 to 10 mph W 1%
Tuesday Night 37°F Mostly Clear 6 mph W 0%

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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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 Nov 4, 2026.