Campbelltown Weather Forecast

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Last Updated: December 29, 2025

Campbelltown is a small borough located in Lebanon County, Pennsylvania.


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Summary

The climate in Campbelltown is considered warm and temperate with an average temperature of 50°F. The area receives an average annual precipitation of 43 inches, which contributes to the hydrology constituents of the region, including the nearby Quittapahilla Creek. The creek system provides opportunities for fishing, kayaking, and other water-based activities. The area also boasts several parks, including the Coleman Memorial Park and the Governor Dick Park, which offer hiking, camping, and other outdoor recreational activities. Additionally, the nearby Hershey Park is a popular destination for families and thrill-seekers alike.

       

Weather Forecast

Campbelltown receives approximately 1131mm of rain per year, with humidity levels near 76% and air temperatures averaging around 11°C. Campbelltown has a plant hardyness factor of 6, meaning plants and agriculture in this region thrive during a short period during spring and early summer. Most plants will die off during the colder winter months.