Philadelphia Area Weather Forecasts

WEEKEND WEATHER FORECAST

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Sunday Forecast Update

Update Sat 8/24 10:39 PM — A few models are showing widely scattered showers Sunday evening, dissipating just as they approach Philadelphia. The NAM-NEST and Canadian models have been consistent with this forecast, the HRRR, ECMWF and GFS show no showers. So just a possibility about 8 PM. Also, expect a fair amount of wildfire smoke haze in the afternoon.

Originally Posted Fri 7:34 PM —A somewhat blocked weather pattern continues and we will continue to be in a dry, sunny stretch of weather through the weekend.

NAEFS jet stream level winds (300 mb) forecast for Sunday shows our area under a cool flow associated with an upper trough, while the mid section of the country remains under a hot ridge.

Showers are not expected until late Monday, and not all models are on-board with that.

Originally Posted Fri 7:34 PM —

Saturday Forecast

Sunny and pleasant.

NBM high temperatures: Blue Bell, PA 84º Philadelphia, PA 85º
Uncertainty (based on standard deviation): average ± 1.2º

Sunday Forecast

Sunny and warmer. A few scattered clouds in the late afternoon.

NBM high temperatures: Blue Bell, PA 87º Philadelphia, PA 88º
Uncertainty (based on standard deviation): average ± 1.7º