This morning a Pacific air mass is clearly invading much of the Eastern United States, which will lead to another very warm stretch of weather for the Philadelphia and New York City metropolitan areas.
While temperatures warm and most locations can expect pleasant weather conditions, a few disturbances will be produce the threat for isolated to widely scattered showers through tomorrow. Temperatures will be very warm with lows in the upper 30's to mid 40's and highs in the mid 50's to lower 60's, potentially even a few mid 60's in the Delaware River Valley.
A stronger cold front is expected to move through the New York City and Philadelphia metropolitan area on Friday with scattered showers and isolated thunderstorms. Ahead of the cold front, temperatures will soar into the upper 50's to mid 60's throughout the region.
A much colder air mass will take hold by the weekend with high pressure producing scattered cloud cover and light and variable winds. Temperatures will range from the upper 20's to mid 30's for lows and upper 3o's to upper 40's for highs through Monday. Another cold front will move through on Tuesday with scattered showers and seasonable temperatures. Temperatures will range from the upper 20's to mid 30's for lows and mid to upper 40's for highs.