Pennsylvania Fall Foliage Report #1: September 24th – 30th, 2020; Latest Expected Peak Dates

Pennsylvania Fall Foliage Report #1: September 24th – 30th, 2020; Latest Expected Peak Dates

Recent abnormally cold mornings combined with warm, sunny days and the dry conditions much of the state is experiencing have caused our fall foliage season to run a week ahead of schedule, as expected. While changes are just beginning for most of us, some parts of Pennsylvania are already nearing peak colors.

Areas including the northern Poconos and the high mountains of north-central PA are seeing some tree species produce vibrant oranges and reds. Elsewhere, there is mainly scattered color especially on tree tops. In southeast PA, very little to no change has been reported yet.




PA FALL FOLIAGE REPORT WEEK #1 SEP 24-30, 2020

Area A: This region is approaching best color, and about 50% of tree species have changed color. Peak color is one week away in this area.

Area B: This region is starting to change, and about 25% of tree species have changed color. Peak color is two to three weeks away in this area.

Area C: This region has seen very little to no color change, and about 5% of tree species have changed color. Peak color is three weeks to a month from now.

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Josh Adams is the founder and lead forecaster of Pennsylvania Weather Action, a regional forecasting site he launched in 2015. With over a decade of experience analyzing weather patterns across Pennsylvania, his forecasts have reached millions of readers throughout the state. Josh specializes in Pennsylvania’s complex microclimates and terrain-driven weather patterns, providing detailed coverage of severe thunderstorms, winter storms, and flooding events. His forecasting focuses on delivering precise, timely information to help Pennsylvanians stay informed and prepared during impactful weather. Last Updated: March 10, 2026