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Altor, Pennsylvania Weather Forecast
Altor, Pennsylvania Weather
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Weather Forecast for Altor, Pennsylvania : Chester County
Issued: 4:13 pm EST Dec 18, 2025 Latitude: 39.9703858 Longitude: -75.6696602 View on Google Maps

MouseOver for Detail Forecast
Overnight Friday Saturday Sunday Monday Tuesday Wednesday Christmas Day
100% chance of rain on Overnight 90% chance of thunderstorms on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Sunny on Monday 30% chance of rain & snow on Tuesday Partly Sunny on Wednesday 30% chance of rain on Christmas Day
Low: 43°F High: 57 °F High: 39°F High: 45°F High: 37°F High: 41°F High: 46°F High: 47°F
Low: 23°F Low: 32°F Low: 23°F Low: 23°F Low: 32°F Low: 30°F  
Rain Thunderstorms Mostly Sunny Mostly Sunny Sunny Rain & Snow Partly Sunny Rain
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Current Conditions at
POTTSTOWN - (KPTW)
46°
Cloudy
Light Rain Mist
as of 12:54 AM EST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 4 Miles
Pressure: 29.85 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Scattered at 3200ft, Broken at 4900ft, Solid Overcast at 9000ft
Current Conditions at
WILMINGTON - (KILG)
48°
Feels like 42°F
Cloudy
Light Rain
as of 12:51 AM EST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 8 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
13 MPH
160° South
Cloud Level(s): Solid Overcast at 9000ft
Current Conditions at
PHILADELPHIA - (KPHL)
55°
Cloudy
Light Rain
as of 12:54 AM EST
Rel. Humidity: 87%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
12 MPH
160° South
Cloud Level(s): Scattered at 6500ft, Solid Overcast at 8000ft
Current Conditions at
PHILADELPHIA/WINGS - (KLOM)
52°
Cloudy
Light Rain
as of 1:15 AM EST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
8 MPH
Gust: 16 MPH
140° Southeast
Cloud Level(s): Scattered at 4300ft, Broken at 7500ft, Solid Overcast at 10000ft
100% chance of rain Overnight Overnight... Rain. Low around 43. South wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

90% chance of thunderstorms Friday Friday... Rain and possibly a thunderstorm before 1pm, then a slight chance of rain between 1pm and 2pm. Temperature rising to near 57 by 9am, then falling to around 36 during the remainder of the day. Breezy, with a south wind 15 to 20 mph becoming west in the morning. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 23. West wind 5 to 15 mph, with gusts as high as 30 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 39. West wind around 5 mph becoming south in the afternoon.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 32. South wind 5 to 10 mph, with gusts as high as 20 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 45.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 23.

Sunny on Monday Monday... Sunny, with a high near 37.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 23.

30% chance of rain & snow Tuesday Tuesday... A chance of rain and snow before 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 46.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 30.

30% chance of rain Christmas Day Christmas Day... A chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.

Current Radar Image


Sun Almanac for Altor, Pennsylvania
Sunrise: 07:20 AM
Sunset: 4:40 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:10 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:45 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:17 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.