Daily Archives: Friday, June 19, 2026 4:27 pm

Philadelphia Area Weather Forecasts

WEEKEND WEATHER FORECAST

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Forecast Update

Posted Friday 06/19/26 @ 7:34 PM — This afternoon’s models show some of Saturday’s scattered showers (depicted here earlier) make it into the Philadelphia area Saturday evening between 7 PM and 11 PM.

18z REFS total accumulated rainfall at 11 PM. Showers will be scattered during the evening. (Click on image for a larger view.)

Previously Posted Fri @ 4:27 PM — —The semi-tropical storm off the southeastern US coast will move away. High pressure builds in for Saturday and Sunday.

Saturday
12z Canadian GDPS with AI spectral nudging forecast at 2 PM Saturday. (Click on image for a larger view.)

High pressure will bring mostly sunny skies along with low humidity. A few disturbances in the upper air flow will bring a bit of cloudiness late in the afternoon. Continued windy—14-22 mph during the day.

Model Blend Highs: Blue Bell- 82º Philadelphia 84º ±1.8º

Sunday
12z Canadian GDPS with AI spectral nudging forecast for 5 PM Sunday. Tropical air over mid portion of the country will push up as low pressure intensifies over the Midwest and moves eastward to affect our weather on Monday (Click on image for a larger view.)

Sunshine and pleasant. Less windy. Highs (Model Blend): Blue Bell- 85 º Philadelphia 86º ±2.2º Average standard deviation and uncertainty.

Rain is expected sometime Monday morning, perhaps lasting into part of Tuesday.