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.
Southeast PA Forecast
Trough settles in and keeps temperatures cooler than average through the end of the work week…
Mostly sunny skies with comfortable temperatures and low humidity on Wednesday as the next transient trough settles into the region. Highs will reach the upper 70s today, and under mostly clear skies overnight, temps drop to the middle 50s.
Another mostly sunny day on Thursday with temperatures moderating a few degrees, then partly cloudy on Friday and temperatures rebounding to the lower 80s. A cold front will approach the region this weekend, and now it appears the ECMWF was correct to keep the front stalled to our west for most of the weekend and at least part of next week. For now, we’ll keep isolated thunderstorms in the forecast for just Sunday afternoon, and leave mentions of precipitation out of the forecast for Saturday. Expect the cold front to slowly inch closer to the region on Monday and Tuesday with variable clouds and isolated to scattered showers and thunderstorms possible each afternoon with that front still off to our west.
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Forecaster: Martrich 23 June 0300z
Daily climatology for Philadelphia, PA
| Average high | Average low | Record high temp (year) | Record low temp (year) |
| 86°F | 66°F | 97°F (1888) | 47°F (1963) |
