While temperatures and humidity levels will fluctuate from day to day this week, unseasonable warmth will continue into Saturday around Philadelphia.
The combination of temperature, humidity, sunshine, light winds and other factors will result in AccuWeather RealFeel® temperatures above 90 most days of the week.
The most comfortable portion of the week will be the middle part, when levels are slightly lower but still above average for early September. Temperatures typically range from a low of 65 F to a high of 82 during the first week of September.
Heat and humidity will build again Friday into Saturday, prior to the arrival of a second round of showers and thunderstorms for the week.
For people who have gotten used to a lack of extreme heat this summer and want another cooldown, much cooler and less humid air is forecast to reach the area on Sunday.
Millions of Americans will be disappointed as the recent dry weather and high risk for wildfires across the western United States has put firework bans into effect.
Thunderstorms may disrupt July Fourth activities in parts of the central and eastern United States.
Before air conditioning existed, people had to be creative when trying to stay comfortable in sweltering conditions.
While downpours could come calling at the start and finish of the July Fourth weekend in the northeastern United States, the vast majority of the time will be dry.
The recent unsettled weather across the United Kingdom will continue this weekend impacting several outdoor events.
Kit Carson, CO (1989)
A thunderstorm brought hail 4.5" in diameter.
Pueblo, CO (1991)
All-time record high of 108 (previous record 106 degrees).
Record Highs: Location: Old Record(F): New Record(F)/Year: Atlantic City (airport) 98 tied 98/1959 Washington, DC 98 Philadelphia, PA 98 Baltimore, MD 97 JFK Airport, NY 98