Philadelphia Area Weather Forecasts

WEEKEND WEATHER FORECAST

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Saturday Update

Posted Saturday 05/02/26 @ 9:39 AM — There’s a transition to sun mixed with clouds just to the west of Philadelphia.

Visible Satellite at 9:30 AM (Lavender arrows/stream lines show the direction of the cloud movesment) Clouds mix with sunshine just to our west and upstream flow suggests this will continue for much of the day. (Click on image for a larger view.)

Temperatures-

12z NBM high temperatures with standard deviations. Fine Black Contours are near ground (2m) temperatures in 1º increments. (Click on image for a larger view.)

Originally Posted Fri 7:18 PM —A weak cold front moves through after midnight tonight (Fri) with light scattered showers. Very cool high pressure builds in with a dip in the jet for Saturday as a low in the western Atlantic moves northeast. There’s a possibility of very light showers at the Jersey Shore, but looking less and less likely.

Fair weather for Sunday.

12z ECMWF forecast for 8 PM Saturday. Cool high pressure builds in. (Click on image for a larger view.)
Saturday

Despite high pressure, the RRFS and GFS show significant cloudiness for our area on Saturday, perhaps breaking for sun later in the afternoon. Low clouds early then mid-level clouds. (Friday’s forecast for periods of clouds was overdone.) Highs: Blue Bell- 59º Philadelphia 61º ±2.5º

Sunday

Sunny and breezy and cool for early May. Highs: Blue Bell-58º Philadelphia 60º ±2.5º

Our next chance for rain is Wednesday into Thursday.