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Allentown, Pennsylvania Weather Forecast
Allentown, Pennsylvania Weather
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Weather Forecast for Allentown, Pennsylvania : Allegheny County
Issued: 5:51 pm EST Nov 21, 2025 Latitude: 40.4275693 Longitude: -79.9939418 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thanksgiving Day Friday
90% chance of rain on Tonight 60% chance of rain on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday 90% chance of rain on Tuesday 50% chance of rain on Wednesday Partly Sunny on Thanksgiving Day Partly Sunny on Friday
Low: 42°F High: 51°F High: 53°F High: 54°F High: 56°F High: 56°F High: 42°F High: 39°F
Low: 32°F Low: 30°F Low: 39°F Low: 46°F Low: 31°F Low: 26°F  
Rain Rain Mostly Sunny Mostly Sunny Rain Rain Partly Sunny Partly Sunny
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
46°
Cloudy
Mist
as of 6:00 PM EST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 4 Miles
Pressure: 29.93 in.
Flight Rule: MVFR
Wind Data
3 MPH
170° South
Cloud Level(s): Broken at 3700ft, Solid Overcast at 10000ft
Current Conditions at
PITTSBURGH - (KPIT)
48°
Cloudy
as of 6:03 PM EST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 7 Miles
Pressure: 29.94 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Broken at 1100ft, Solid Overcast at 9000ft
Current Conditions at
BUTLER COUNTY - (KBTP)
45°
Cloudy
as of 5:56 PM EST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 9 Miles
Pressure: 29.95 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
LATROBE - (KLBE)
48°
Cloudy
Mist
as of 5:52 PM EST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 6 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 3100ft
90% chance of rain Tonight Tonight... Rain, mainly after 10pm. Patchy fog. Low around 42. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

60% chance of rain Saturday Saturday... Rain likely, mainly before 7am. Widespread dense fog, mainly before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 51. Northwest wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 32. Calm wind.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 53. West wind 6 to 11 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 30. West wind around 6 mph becoming calm in the evening.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 54.

30% chance of rain Monday Night Monday Night... A chance of rain after 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.

90% chance of rain Tuesday Tuesday... Rain. High near 56. Chance of precipitation is 90%.

80% chance of rain Tuesday Night Tuesday Night... Rain. Low around 46. Chance of precipitation is 80%.

50% chance of rain Wednesday Wednesday... A chance of rain. Mostly cloudy, with a high near 56. Chance of precipitation is 50%.

30% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

Partly Sunny on Thanksgiving Day Thanksgiving Day... Partly sunny, with a high near 42.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 26.

Partly Sunny on Friday Friday... Partly sunny, with a high near 39.

Current Radar Image


Sun Almanac for Allentown, Pennsylvania
Sunrise: 07:14 AM
Sunset: 4:58 PM
Civil Sunrise:06:44 AM
Civil Sunset: 5:28 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 6:01 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 6:34 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.