Heat Advisory HEAT ADVISORY - Chester County

NWS Northeast Regional Radar WU North East Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 05-Aug-2026 3:55pm  
Summary / Temperature Wind Rain Outlook
Mist, Overcast Mist, Overcast
Currently: 77.7, Max: 82.6, Min: 70.9 77.7°F
Colder 2.5°F than last hour.

Comfortable

Feels like: 78°F

  Today Yesterday
High: 82.6°F
1:39pm
85.6°F
3:53pm
Low: 70.9°F
5:22am
61.2°F
6:27am
 Wind from SE SE
0.9
Gust:
8.1 mph
0 Bft - Calm
Today: 8.1 mph 9:53am
Gust Month: 17.0 mph August 02
Rain Today: 0.21 in
Rain Rate (/hr): 0.09 in
Rain Yesterday: 0 in
This Month: 2.04 in
Yearly Total: 24.04 in
Tonight

Tonight: Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers And T-Storms Likely then Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 91 % Increased 2.0% since last hour.
Dew Point: 74.8°F Decreased 1.8°F since last hour.
Barometer: 30.07 inHg  
Baro Trend: Steady
Sunrise: 6:05am
Sunset: 8:14pm
Moonset: 1:31pm
Moonrise: 11:32pm
Waning Gibbous
Waning Gibbous, Moon at 21 days in cycle
53%
Illuminated
UV Index Solar Radiation
   1.3     Low 
High: 8.1 @ 1:32pm
153 W/m2 (15 %)
High: 902 @  1:32pm
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Hi 82 °F
NWS forecast: A chance of showers and thunderstorms before 3pm, then showers and thunderstorms. Mostly cloudy, with a high near 82. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Davis VP+ forecast: Increasing clouds and warmer. Precipitation possible within 12 to 24 hours. Windy.
 
Tonight

Tonight: Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers And T-Storms Likely then Chance Showers And T-Storms

Lo 69 °F
NWS forecast: Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms between 1am and 3am. Mostly cloudy, with a low around 69. South wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.