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Flood Watch FLOOD WATCH - 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: @ 21-Jul-2026 4:15pm  
Summary / Temperature Wind Rain Outlook
Light thunderstorm, Rain, Mist, Overcast Light thunderstorm, Rain, Mist, Overcast
Currently: 72.9, Max: 85.8, Min: 70.3 72.9°F
Colder 8.4°F than last hour.

Comfortable

Feels like: 73°F

  Today Yesterday
High: 85.8°F
1:17pm
83.3°F
3:59pm
Low: 70.3°F
12:00am
54.9°F
6:05am
 Wind from NE NE
2
Gust:
10.1 mph
1 Bft - Light air
Today: 14.1 mph 3:21pm
Gust Month: 35.0 mph July 04
Rain Today: 0.72 in
Rain Rate (/hr): 0.1 in
Rain Yesterday: 0 in
This Month: 3.37 in
Yearly Total: 19.61 in
Tonight

Tonight: Showers And Thunderstorms then Showers And Thunderstorms Likely
Showers And T-Storms then Showers And T-Storms Likely
Humidity & Barometer Almanac Moon
Humidity: 90 % Increased 10.0% since last hour.
Dew Point: 69.8°F Decreased 4.7°F since last hour.
Barometer: 29.73 inHg Rising 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 5:51am
Sunset: 8:29pm
Moonset: 12:00am
Moonrise: 1:58pm
Waxing Gibbous
Waxing Gibbous, Moon at 7 days in cycle
54%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 8.1 @ 1:12pm
40 W/m2 (4 %)
High: 1167 @  1:10pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Showers And Thunderstorms Likely
Showers And T-Storms Likely

Hi 85 °F
NWS forecast: Showers and thunderstorms likely. Some of the storms could be severe. Cloudy, with a high near 85. South wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Davis VP+ forecast: Mostly cloudy and cooler. Precipitation possible within 12 hours, possibly heavy at times. Windy.
 
Tonight

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

Lo 68 °F
NWS forecast: Showers and thunderstorms before midnight, then showers and thunderstorms likely between midnight and 1am, then a chance of showers and thunderstorms between 1am and 4am. Some of the storms could be severe. Mostly cloudy, with a low around 68. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.