Campbelltown, PA Weather & Growing Conditions

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

Today

75°F

Partly Sunny

Partly sunny, with a high near 75. East wind around 7 mph.

7-day forecast for Campbelltown

When	Temp	Forecast	Wind	Precip
Today	75°F	Partly Sunny	7 mph E	2%
Tonight	60°F	Mostly Cloudy then Rain Showers	7 to 13 mph SE	76%
Sunday	74°F	Rain Showers	9 to 14 mph S	91%
Sunday Night	55°F	Showers And Thunderstorms	7 to 12 mph W	91%
Monday	69°F	Slight Chance Rain Showers	12 mph NE	16%
Monday Night	50°F	Chance Rain Showers	8 to 14 mph NE	40%
Tuesday	61°F	Chance Rain Showers	14 mph E	47%
Tuesday Night	48°F	Chance Rain Showers	14 to 17 mph NE	44%
Wednesday	62°F	Chance Rain Showers	17 mph NE	41%
Wednesday Night	49°F	Chance Rain Showers	14 to 17 mph NE	35%
Thursday	63°F	Chance Rain Showers	13 to 16 mph NE	37%
Thursday Night	48°F	Chance Rain Showers	8 to 14 mph NE	34%
Friday	67°F	Slight Chance Rain Showers	13 mph N	24%
Friday Night	49°F	Slight Chance Rain Showers	9 to 14 mph N	22%

Forecast source: National Weather Service (api.weather.gov) for Campbelltown (40.276, -76.583). Updated through the day.

Growing snapshot for Campbelltown

Last spring frost

Apr 20

First fall frost

Oct 25

Growing season

185 days

Hardiness zone

More local growing data for Campbelltown: nearby ZIP 17010 weather · frost dates · planting calendar · Pennsylvania frost dates

Nearby towns & communities

Annville Avon Cleona Cornwall Fort Indiantown Gap Fredericksburg Hebron Jonestown Lebanon Lebanon South Mount Gretna Mount Gretna Heights Myerstown Palmyra Pleasant Hill Quentin Sand Hill Schaefferstown Timber Hills West Myerstown

All Pennsylvania locations ›

Climate data from the nearest NOAA station, Lebanon 2 W, Pa (7.2 mi from Campbelltown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.