Daily Forecast for Tuesday, September 17th, 2019

Daily Forecast for Tuesday, September 17th, 2019

Cooler, more seasonal temperatures are on tap for today. Despite some morning clouds in the southwestern quarter of the state, today will be mostly sunny once again. Highs will range from the upper 60s in the northern mountains to the mid 70s in southwest PA. Have a good Tuesday!

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