Daily Archives: Monday, August 25, 2025 9:57 am

Philadelphia Weather Outlook

THIS WEEK’S WEATHER

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Tuesday Update

Posted Tuesday 08/26/25 @ 4:17 PM — Not much happening weather-wise this week. But another quick test presents itself this evening for the RRFS experimental model . The RRFS shows a potent short wave moving through our area with enough moisture and vertical lift to cause a few very widely scattered showers Tuesday evening, about 9 PM.

12z RRFS model Relative Humidity at 10,000 feet (maroon shading) and areas of strong vertical motion (multicolor shading). (Click on image for a larger view.)

Just curious to see if it happens.

FYI, a similar setup about 7-8PM up in New York for the Phillies. Too widely scattered to likely affect the game.

Originally Posted Mon 9:57 AM —What appears to be a changed weather pattern has taken hold with an upper level trough in the eastern US with surface level high pressure. A mostly dry and cooler pattern will result.

06z ECMWF-AI forecast for Thursday at 8 AM. High pressure over our area. A cold front near the Great Lakes may bring light showers later Friday, but a mostly dry and cool pattern overall. (Click on image for a larger view.)

Quiet weather for the next week or so! Enjoy!