Harrisburg Weather Forecast

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Last Updated: January 10, 2026

Harrisburg, Pennsylvania is located in the Susquehanna River Valley and experiences a humid subtropical climate with hot summers and cold winters.


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Summary

The city is prone to flooding due to its proximity to the Susquehanna River and its tributaries. The river also serves as a source of hydrology for the city, providing drinking water and recreational opportunities such as fishing and boating. The city has several parks, including City Island Park and Wildwood Park, which offer hiking trails, playgrounds, and picnic areas. Additionally, the nearby Appalachian Trail is a popular destination for hiking and camping. Harrisburg also has a vibrant downtown area with restaurants, shops, and cultural attractions.

       

Weather Forecast

Harrisburg receives approximately 1104mm of rain per year, with humidity levels near 76% and air temperatures averaging around 12°C. Harrisburg has a plant hardyness factor of 7, meaning plants and agriculture in this region tend to thrive during the non-winter months.