Philadelphia Area Weather Forecasts

WEEKEND WEATHER FORECAST

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Posted Saturday 02/01/25 @ 3:48 PM — The rainfall we had Friday seemed more substantial than it was. Here’s the MRMS 24 hour rainfall totals based on rain gauges and radar calibrated to the rain gauges.—

MRMS rain-gauge measured rainfall combined with rain-gauge calibrated and interpolated radar-based summary of ACTUAL RAINFALL RECEIVED. Color shading is in inches. Line contour numbers are in mm. (25.4 mm= 1 inch)      (Click on image for a larger view.)

The forecast for Sunday is little changed. Cloudy for much of the day, except early morning and remaining slightly colder than seasonal averages with highs 37º-39º with higher than usual uncertainty (standard deviation).

Originally Posted Fri 5:04 PM —Following the rain Friday night, high pressure builds in for Saturday with cooler temperatures. On Sunday, low pressure to our north will bring clouds but no precipitation is expected here. Still seasonably cold.

Here’s the GFS forecast for Saturday—

Today’s 12z GFS forecast for 7 PM Saturday shows high pressure over us. Low pressure will move north of us on Sunday. (Click on image for a larger view.)

A seasonably cold day Sunday will be replaced by a mild day on Monday, followed by a cold front passing through Monday evening with colder weather returning for Tuesday.

By Monday—

GFS forecast for late Monday. Mild temperatures on Monday will be replaced by cold high pressure building in for Tuesday. (Click on image for a larger view.)

There’s still the possibility of rain on Thursday and another storm is again showing for Super Bowl weekend.

Saturday Forecast

Mostly sunny and somewhat seasonably cold. Windy in the morning, but winds gradually decrease during the afternoon.

NBM high temperatures: Blue Bell, PA 38º Philadelphia, PA 41º
Higher than usual uncertainty (based on standard deviation): ± 2.1º

Sunday Forecast

Some bright areas through clouds early, then mostly cloudy late morning and during the afternoon. Less windy

NBM high temperatures: Blue Bell, PA 39º Philadelphia, PA 42º
High then usual uncertainty (based on standard deviation): ± 2.4º