June 29th 2026
- J&B Comfort Systems, Inc.
- Jun 29
- 2 min read
You control the temperature inside your home or office, but in order to make informed decisions about how to set the thermostat, you need to know what's happening outside!
Today's Weather
Today's Weather Summary
Partly cloudy conditions will continue all day.
Weather Advisory
Extreme Heat Watch
Severity: Severe
Significant threat to life or property
Weather Event Onset
12:00 PM (EDT), July 1
Description
* WHAT...Dangerously hot conditions with heat index values up to 110 degrees possible during the daytime hours.
* WHERE...Portions of northern Delaware, central and southern New Jersey, and southeast Pennsylvania.
* WHEN...From Wednesday afternoon through Saturday evening.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...Very warm low temperatures in the mid 70s to low 80s at night will not offer any relief from the heat. This combined with multiple days of near record breaking temperatures will exacerbate the impacts from the heat and humidity.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
If you do not have air conditioning in your home or lack shelter, you can call 211 or visit your county or state health department website for assistance locating appropriate shelter from the heat.
Action Recommended
Monitor the situation and take precautions if necessary.
Urgency
Take action in the near future.
Affected Area
Eastern Chester
Issued By
National Weather Service
Air Conditioning Recommendation
Set To: Cooling mode at your preferred settings, not below 68° for optimum operation.
Heating Recommendation
Set To: Off.
Today's UV Index
About The UV Index: The World Heath Organization's UV index (UVI) measures ultraviolet radiation. The higher the UVI, the greater the potential for damage, and the faster harm can occur. The UVI can help you decide when to protect yourself from the sun and when to avoid being outside. The WHO recommends using shade, sunscreen, hats, and protective clothing at levels of 3 (Moderate) or higher.
Today's Sun Schedule
Feels Like
Today's temperature range is from 65° to 86° and feels like 67° to 89°.
Wind
Today, wind speeds are 0 to 7 mph, with gusts up to 13 mph.
Precipitation
Today's total precipitation will be 0". The next rain expected is .15" Sat.
Humidity
Today, the average humidity is 63%. The dew point is 61° to 68°.
Visibility
Today, the lowest visibility will be fairly clear at 1 mi, and the highest will be perfectly clear at 23 mi.
Pressure
Today, the average pressure will be 30.07 inHG, and the lowest pressure will be 30.01 inHG.
Look Ahead
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