Philadelphia Area Weather Forecasts

WEEKEND WEATHER FORECAST

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The low pressure system that brought us heavy rain on Thursday will still be affecting our weather on Saturday. Its associated upper low trough will pass through our area Saturday bringing clouds—

Friday’s 12z NAEFS shows the upper level trough (blue line) moving through our area late morning on Saturday. This will cause cloudiness for much of the day. (Click on image for a larger view.)

By Sunday, another low dropping down from Canada will bring somewhat colder weather and a considerable cloudiness in the afternoon here, showers remain much further north—

Forecast for Sunday. New low over the Great Lakes and the 540 thickness line (red) to our south indicating colder weather here. (Click on image for a larger view.)

Saturday

Sunny early, the mostly cloudy for much of the day. Some sun may break through later in the afternoon. Windy in the afternoon. No rain.

High temperature 44º ( NBM model— location Blue Bell, PA)
High temperature 46º ( NBM model— location Philadelphia, PA)
uncertainty – average to low ± 1.3º

Sunday

Mostly sunny most of the morning, somewhat cloudy during the afternoon as the low in the Great Lakes affects our weather.

High temperature 44º ( NBM model— location Blue Bell, PA)
High temperature 45º ( NBM model— location Philadelphia, PA)
uncertainty – average ± 1.5º

Monday

New Years Day looks cloudy but dry.

Winds

Looking ahead. A pattern change expected beginning next weekend. Stormy and colder. Snow?