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Front stalls over our southern regions
next few days with scattered t-storms
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Southeast PA Forecast

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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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Cold front arrives Wednesday, stalls over our region through late week…scattered t-storms likely along the front…

On Wednesday a cold cold front moves through the region, but slows as it advances through, and brings a threat for scattered t-storms in the afternoon/evening. It will remain very warm with variably cloudy skies, but locally heavy rainfall will be possible with any storms. With the front in the vicinity or over this forecast region overnight, mostly cloudy skies with scattered t-storms with heavy downpours are still likely.

With the frontal boundary remaining stalled Thursday and Friday over our region, scattered PM thunderstorms are still likely both days. The front is expected to “wash out” or dissipate finally over the weekend, with partly cloudy skies expected for both Saturday and Sunday. A system moving through the eastern Great Lakes pulls a warm front through the entire region Sunday night, followed by a cold front and scattered showers and thunderstorms accompanying it on Monday. Slightly cooler temps are also expected Monday with plenty of clouds and showers/storms likely. Precipitation wraps up Monday evening, then returning to partly to mostly sunny skies and back to near average temperatures on Tuesday.

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Forecaster: Martrich 12 August 0300z

Daily climatology for Philadelphia, PA

Average highAverage lowRecord high temp (year)Record low temp (year)
86°F69°F99°F (1900)53°F (1962)
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