Heat Advisory HEAT ADVISORY - Chester County  - Lancaster County

NWS Northeast Regional Radar WU North East Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 06-Aug-2026 3:52pm  
Summary / Temperature Wind Rain Outlook
Mostly cloudy Mostly cloudy
Currently: 89.4, Max: 91.2, Min: 75.7 89.4°F
Colder 0.6°F than last hour.

Warm

Feels like: 113°F

  Today Yesterday
High: 91.2°F
3:13pm
82.6°F
1:39pm
Low: 75.7°F
1:45am
70.9°F
5:22am
 Wind from SW SW
4
Gust:
11 mph
1 Bft - Light air
Today: 11 mph 12:48pm
Gust Month: 17.0 mph August 02
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.69 in
This Month: 2.52 in
Yearly Total: 24.52 in
Tonight

Tonight: Scattered Showers And Thunderstorms
Scattered Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 72 % Increased 1.0% since last hour.
Dew Point: 79.2°F Decreased 0.1°F since last hour.
Barometer: 30.08 inHg Rising 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 6:05am
Sunset: 8:13pm
Moonrise: 12:00am
Moonset: 2:45pm
Waning Crescent
Waning Crescent, Moon at 22 days in cycle
42%
Illuminated
UV Index Solar Radiation
   4.0     Medium 
High: 7.8 @ 1:03pm
742 W/m2 (75 %)
High: 1056 @  1:03pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Isolated Showers And Thunderstorms
Isolated Showers And T-Storms

Hi 89 °F
NWS forecast: Isolated showers and thunderstorms. Mostly sunny, with a high near 89. Southwest wind around 5 mph. Chance of precipitation is 20%.
Davis VP+ forecast: Increasing clouds and warmer. Precipitation possible within 12 to 24 hours. Windy.
 
Tonight

Tonight: Scattered Showers And Thunderstorms
Scattered Showers And T-Storms

Lo 70 °F
NWS forecast: Scattered showers and thunderstorms before 11pm, then scattered showers and thunderstorms between 11pm and midnight, then isolated showers and thunderstorms between midnight and 1am, then patchy fog. Mostly cloudy, with a low around 70. Southwest wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.