Our southeast PA forecast region includes Philadelphia, Doylestown, West Chester, Lancaster, York, Gettysburg & surrounding areas. Forecasts are updated daily M-F and Saturday that covers both weekend days – not Sunday.

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Gloomy start to the week, hotter/drier to end it... 

A boundary remains south of the area Monday, and clouds will dominate to start the new work week. A stray shower will be possible at any time, most notably in our western counties. Same forecast remains overnight with lows not dropping off much.

On Tuesday the front to our south will return northward as a warm front, and moves through overnight. Showers will be possible with the front as it advances northward later in the day, and that threat will continue overnight. On Wednesday we'll see at least some sun returning along with warmer and more humid conditions on the opposite side of that warm front. An afternoon diurnally-driven thunderstorm will be possible in spots. A better chance for scattered PM thunderstorms exists on Thursday as a cold front moves through the region, and hot and humid conditions prior to the front's arrival. Seasonable with lower humidity on Friday under mostly sunny skies. then dry for a change over the weekend with temperatures and humidity increasing, and perhaps the start of a heatwave on Sunday leading into the following week.  

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Forecaster: Martrich 16 June 0300z

Daily Climatology for Philadelphia, PA

Average high	Average low	Record high temp (year)	Record low temp (year)
84°F	64°F	100°F (1991)	49°F (1963)