Pennsylvania Weather Forecast
Pick a Pennsylvania city for live conditions, the official 7-day forecast and any active watches or warnings from the National Weather Service.
Pennsylvania cities
Philadelphia · pop. 1,574,2817-day forecast ›Pittsburgh · pop. 307,6327-day forecast ›Allentown · pop. 126,0447-day forecast ›
Population: U.S. Census Bureau, Vintage 2025 estimates (July 1, 2025). Forecasts: National Weather Service.
All states and citiesQuestions & answers
Which Pennsylvania cities are covered?
Philadelphia, Pittsburgh, Allentown. Cities were chosen by the Census Bureau's 2025 population estimates.
Where does the Pennsylvania forecast come from?
From the National Weather Service forecast offices that cover Pennsylvania. Each city page shows that office's forecast for the city's own grid square.