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Roundelay, Pennsylvania Weather Forecast
Roundelay, Pennsylvania Weather
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Click for Snow Squall Warning for Roundelay, Pennsylvania
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Weather Forecast for Roundelay, Pennsylvania : Chester County
Issued: 4:10 am EST Jan 1, 2026 Latitude: 39.8868 Longitude: -75.5916 View on Google Maps

MouseOver for Detail Forecast
Overnight New Year's Day Friday Saturday Sunday Monday Tuesday Wednesday
40% chance of snow on Overnight 30% chance of snow on New Year's Day Mostly Sunny on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday Mostly Cloudy on Wednesday
Low: 24°F High: 31°F High: 34°F High: 34°F High: 37°F High: 33°F High: 41°F High: 47°F
Low: 19°F Low: 20°F Low: 21°F Low: 19°F Low: 25°F Low: 30°F  
Snow Snow Mostly Sunny Mostly Cloudy Mostly Sunny Partly Sunny Mostly Cloudy Mostly Cloudy
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Current Conditions at
WILMINGTON - (KILG)
36°
Feels like 28°F
Cloudy
as of 3:51 AM EST
Rel. Humidity: 59%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.61 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 22 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 5000ft
Current Conditions at
PHILADELPHIA - (KPHL)
36°
Feels like 28°F
Cloudy
as of 3:54 AM EST
Rel. Humidity: 64%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.60 in.
Flight Rule: VFR
Wind Data
9 MPH
230° Southwest
Cloud Level(s): Broken at 5500ft, Solid Overcast at 10000ft
Current Conditions at
PHILADELPHIA/WINGS - (KLOM)
34°
Feels like 26°F
Cloudy
as of 3:55 AM EST
Rel. Humidity: 64%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.57 in.
Flight Rule: VFR
Wind Data
9 MPH
220° Southwest
Cloud Level(s): Broken at 5000ft, Solid Overcast at 8000ft
40% chance of snow Overnight Overnight... A chance of snow showers. Mostly cloudy, with a low around 24. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
30% chance of snow New Year's Day New Year's Day... A chance of snow showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Increasing Clouds on Thursday Night Thursday Night... Increasing clouds, with a low around 19. West wind around 5 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 34. West wind 5 to 10 mph, with gusts as high as 20 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 20. West wind around 5 mph.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 34.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 21.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 37.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 19.
Partly Sunny on Monday Monday... Partly sunny, with a high near 33.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 25.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 41.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 30.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 47.
Sun Almanac for Roundelay, Pennsylvania
Sunrise: 07:24 AM
Sunset: 4:48 PM
Civil Sunrise:06:54 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 06:20 AM
Nautical Sunset: 5:52 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:25 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.