Unionville, Pennsylvania Weather
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Click for Special Weather Statement for Unionville, Pennsylvania
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Weather Forecast for Unionville, Pennsylvania : Chester County
Issued: 4:10 pm EDT Sep 4, 2025 Latitude: 39.8953867 Longitude: -75.7343845 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
20% chance of thunderstorms on This Afternoon 70% chance of thunderstorms on Tonight Mostly Sunny on Friday 70% chance of thunderstorms on Saturday 30% chance of on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday Mostly Sunny on Thursday
High: 82°F Low: 61°F High: 83°F High: 86°F High: 71°F High: 71°F High: 73°F High: 74°F High: 76°F
Low: 66°F Low: 57°F Low: 50°F Low: 49°F Low: 48°F Low: 50°F  
Thunderstorms Thunderstorms Mostly Sunny Thunderstorms Partly Sunny Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
WILMINGTON - (KILG)
81°
Mostly Cloudy
as of 4:51 PM EDST
Rel. Humidity: 57%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.76 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 31 MPH
150° Southeast
Cloud Level(s): Scattered at 6000ft, Broken at 7000ft
Current Conditions at
POTTSTOWN - (KPTW)
66°
Cloudy
Thunderstorm In Vicinity Heavy Rain Fog
as of 5:37 PM EDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 1/2 Miles
Pressure: 29.83 in.
Flight Rule: IFR
Wind Data
7 MPH
Gust: 33 MPH
Cloud Level(s): Broken at 2600ft, Broken at 3700ft, Solid Overcast at 4800ft
Current Conditions at
PHILADELPHIA - (KPHL)
82°
Partly Cloudy
as of 4:54 PM EDST
Rel. Humidity: 51%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.76 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 28 MPH
170° South
Cloud Level(s): Few at 5000ft, Scattered at 8000ft, Scattered at 26000ft
Current Conditions at
PHILADELPHIA/WINGS - (KLOM)
79°
Mostly Cloudy
as of 5:35 PM EDST
Rel. Humidity: 50%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 20 MPH
190° South
Cloud Level(s): Broken at 10000ft, Broken at 12000ft
20% chance of thunderstorms This Afternoon This Afternoon... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. South wind around 15 mph. Chance of precipitation is 20%.
70% chance of thunderstorms Tonight Tonight... Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 61. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 66. South wind around 5 mph.
70% chance of thunderstorms Saturday Saturday... Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
70% chance of thunderstorms Saturday Night Saturday Night... Showers likely and possibly a thunderstorm. Cloudy, with a low around 57. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
30% chance of Sunday Sunday... A chance of showers before 8am. Partly sunny, with a high near 71. Chance of precipitation is 30%.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 50.
Sunny on Monday Monday... Sunny, with a high near 71.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 49.
Sunny on Tuesday Tuesday... Sunny, with a high near 73.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 48.
Sunny on Wednesday Wednesday... Sunny, with a high near 74.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 50.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 76.
Current Radar Image


Sun Almanac for Unionville, Pennsylvania
Sunrise: 06:34 AM
Sunset: 7:29 PM
Civil Sunrise:06:07 AM
Civil Sunset: 7:57 PM
Nautical Sunrise: 05:34 AM
Nautical Sunset: 8:30 PM
Astro Sunrise: 05:00 AM
Astro Sunset: 9:04 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.