Weather

A cool and frosty autumn morning looking over the meadows of the Grand Parade.

NPS Photo / G. Purifoy

Annual Weather Summary

Winters at Valley Forge are generally cold and damp with a cool spring and fall and a hot and humid summer. Sturdy hiking shoes are recommended for all outdoor recreation during the snowy wintery season.

 

 

Long-Term Trends

Air Quality Conditions & Trends