Heat Advisory HEAT ADVISORY - Chester County
Air Quality Alert AIR QUALITY ALERT - 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: @ 19-May-2026 11:32pm  
Summary / Temperature Wind Rain Outlook
Overcast Overcast
Currently: 70.5, Max: 94.8, Min: 66.9 70.5°F
Colder 0.4°F than last hour.

Comfortable

Feels like: 71°F

  Today Yesterday
High: 94.8°F
3:44pm
94.5°F
3:19pm
Low: 66.9°F
5:43am
61°F
5:59am
 Calm ENE
0
Gust:
0 mph
0 Bft - Calm
Today: 22 mph 4:45pm
Gust Month: 25.1 mph May 08
Rain Today: 0.73 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 1.87 in
Yearly Total: 9.74 in
Wednesday

Wednesday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 93 %  
Dew Point: 68.4°F Decreased 0.3°F since last hour.
Barometer: 30.01 inHg Falling 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 5:43am
Sunset: 8:17pm
Moonset: 12:00am
Moonrise: 8:01am
Waxing Crescent
Waxing Crescent, Moon at 4 days in cycle
16%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 7.1 @ 12:33pm
0 W/m2 (0 %)
High: 990 @  1:45pm
 NWS Weather Forecast  - Outlook: Tonight & Wednesday
Tonight

Tonight: Slight Chance Rain Showers then Partly Cloudy
Slight Chance Rain Showers then Partly Cloudy

Lo 68 °F
NWS forecast: A slight chance of rain showers before 8pm. Partly cloudy, with a low around 68. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Davis VP+ forecast: Increasing clouds with little temperature change. Precipitation possible within 24 to 48 hours.
 
Wednesday

Wednesday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms

Hi 89 °F
NWS forecast: A chance of showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms likely. Mostly sunny. High near 89, with temperatures falling to around 81 in the afternoon. West wind 5 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.