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Rossmere, Pennsylvania Weather Forecast
Rossmere, Pennsylvania Weather
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Weather Forecast for Rossmere, Pennsylvania : Lancaster County
Issued: 2:07 am EST Dec 17, 2025 Latitude: 40.0562084 Longitude: -76.2969026 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Cloudy on Overnight Increasing Clouds on Wednesday 20% chance of on Thursday 40% chance of on Friday Partly Sunny on Saturday Partly Sunny on Sunday Mostly Sunny on Monday Mostly Cloudy on Tuesday
Low: 20°F High: 46°F High: 52°F High: 51°F High: 41°F High: 47°F High: 38°F High: 42°F
Low: 23°F Low: 43°F Low: 25°F Low: 34°F Low: 25°F Low: 25°F  
Cloudy Increasing Clouds Morning Fog Partly Sunny Partly Sunny Partly Sunny Mostly Sunny Mostly Cloudy
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Current Conditions at
LANCASTER - (KLNS)
12°
Clear
as of 12:53 AM EST
Rel. Humidity: 92%
Dew Point: 10°F
Visibility: 7 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
6 MPH
060° Northeast
Cloud Level(s): Clear
Current Conditions at
MIDDLETWN/HARRISB - (KMDT)
21°
Mostly Cloudy
as of 12:56 AM EST
Rel. Humidity: 79%
Dew Point: 16°F
Visibility: 8 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
3 MPH
110° East
Cloud Level(s): Scattered at 3800ft, Broken at 25000ft
Current Conditions at
READING - (KRDG)
19°
Clear
Haze
as of 12:54 AM EST
Rel. Humidity: 73%
Dew Point: 12°F
Visibility: 6 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MUIR AAF - (KMUI)
19°
Cloudy
as of 12:55 AM EST
Rel. Humidity: 85%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 3300ft
Cloudy on Overnight Overnight... Partly cloudy, with a low around 20. Southeast wind 3 to 5 mph.
Increasing Clouds on Wednesday Wednesday... Increasing clouds, with a high near 46. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Patchy Fog on Wednesday Night Wednesday Night... Patchy fog after midnight. Otherwise, partly cloudy, with a low around 23. West wind around 6 mph becoming calm in the evening.
20% chance of Thursday Thursday... A slight chance of showers after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 52. Calm wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 20%.
100% chance of rain Thursday Night Thursday Night... Showers. Low around 43. Breezy, with a southeast wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
40% chance of Friday Friday... A chance of showers before 1pm. Partly sunny, with a high near 51. Breezy. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 25.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 41.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 34.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 47.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 25.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 38.
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 42.
Current Radar Image


Sun Almanac for Rossmere, Pennsylvania
Sunrise: 07:22 AM
Sunset: 4:41 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:19 PM
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