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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Summerlike temps through late week... 

Warmer temps are expected Wednesday as ridging continues to build into the region. Under mostly sunny skies, highs will reach the upper 80s this afternoon along with a noticeable increase in humidity. Mostly clear overnight, and not as cool as previous nights.

Even warmer temperatures will follow Thursday, with near 90° expected under partly cloudy skies and continued humid conditions. By Friday a cold front will approach, and a late day or evening thunderstorm will be possible in our Central PA counties, but likely to hold off until the overnight hours farther east. A better chance for scattered showers and thunderstorms exists on Saturday as a cold front slowly works through the region, and activity will wrap up during the evening hours most likely. Partly cloudy skies to round out the weekend with temps near 80 degrees,  then another cold front brings a late day storm threat on Monday. Partly cloudy skies in its wake on Tuesday.

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Forecaster: Martrich 4 June 0300z

Daily Climatology for Philadelphia, PA

Average high	Average low	Record high temp (year)	Record low temp (year)
80°F	60°F	98°F (1925)	47°F (1988)