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Extreme Heat Watch EXTREME HEAT 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: @ 28-Jun-2026 12:39pm  
Summary / Temperature Wind Rain Outlook
Overcast Overcast
Currently: 75.4, Max: 76.3, Min: 67.3 75.4°F
Warmer 0.6°F than last hour.

Comfortable

Feels like: 75°F

  Today Yesterday
High: 76.3°F
11:17am 		75.6°F
4:40pm
Low: 67.3°F
5:22am 		68°F
7:19am
Wind from NE NE
0.9
Gust:
 3 mph
0 Bft - Calm
Today: 7 mph 11:23am
Gust Month: 30.0 mph June 18
Rain Today: 0.01 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0.03 in
This Month: 3.54 in
Yearly Total: 16.24 in
Tonight

Tonight: Slight Chance Showers And Thunderstorms then Patchy Fog
Slight Chance Showers And T-Storms then Patchy Fog
Humidity & Barometer Almanac Moon
Humidity: 83 % Increased 1.0% since last hour.
Dew Point: 69.8°F Increased 0.9°F since last hour.
Barometer: 29.98 inHg Rising 0.01 inHg/hr
Baro Trend: Steady
Sunrise: 5:36am
Sunset: 8:38pm
Moonset: 4:01am
Moonrise: 8:06pm
Waxing Gibbous
Waxing Gibbous, Moon at 13 days in cycle
98%
Illuminated
UV Index Solar Radiation
   2.8     Low 
High: 5.5 @ 11:03am
287 W/m2 (28 %)
High: 759 @  11:02am
 NWS Weather Forecast  - Outlook: Today & Tonight
Today

Today: Patchy Fog then Slight Chance Showers And Thunderstorms
Patchy Fog then Slight Chance Showers And T-Storms

Hi 80 °F		 NWS forecast: Patchy fog before 10am, then a slight chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. East wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Davis VP+ forecast: Increasing clouds with little temperature change.
 
Tonight

Tonight: Slight Chance Showers And Thunderstorms then Patchy Fog
Slight Chance Showers And T-Storms then Patchy Fog

Lo 63 °F		 NWS forecast: A slight chance of showers and thunderstorms before 7pm, then patchy fog. Partly cloudy, with a low around 63. East wind 0 to 5 mph. Chance of precipitation is 20%.