Arlington, Pennsylvania Weather
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Weather Forecast for Arlington, Pennsylvania : Allegheny County
Issued: 5:33 am EDT Oct 21, 2025 Latitude: 40.4259025 Longitude: -79.9744967 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
70% chance of rain on Today 80% chance of thunderstorms on Tonight 50% chance of rain on Wednesday 60% chance of rain on Thursday Mostly Sunny on Friday 20% chance of on Saturday Partly Sunny on Sunday 30% chance of rain on Monday
High: 62°F Low: 43°F High: 54°F High: 54°F High: 55°F High: 57°F High: 59°F High: 62°F
Low: 43°F Low: 38°F Low: 37°F Low: 39°F Low: 41°F  
Rain Thunderstorms Rain Rain Mostly Sunny Mostly Sunny Partly Sunny Rain
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
39°
Feels like 32°F
Clear
Mist
as of 5:53 AM EDST
Rel. Humidity: 93%
Dew Point: 37°F
Visibility: 5 Miles
Pressure: 29.88 in.
Flight Rule: MVFR
Wind Data
10 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
PITTSBURGH - (KPIT)
41°
Mostly Clear
as of 5:51 AM EDST
Rel. Humidity: 80%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
5 MPH
150° Southeast
Cloud Level(s): Few at 25000ft
Current Conditions at
BUTLER COUNTY - (KBTP)
43°
Clear
as of 5:56 AM EDST
Rel. Humidity: 81%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
6 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
LATROBE - (KLBE)
37°
Clear
as of 6:35 AM EDST
Rel. Humidity: 100%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
70% chance of rain Today Today... Showers likely, mainly before 1pm. Sunny through mid morning, then becoming cloudy, with a high near 62. Southeast wind 8 to 14 mph becoming southwest in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
80% chance of thunderstorms Tonight Tonight... Rain and thunderstorms before 1am, then showers likely, mainly after 4am. Low around 43. Southwest wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
50% chance of rain Wednesday Wednesday... A chance of showers, mainly after 8am. Mostly cloudy, with a high near 54. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
50% chance of rain Wednesday Night Wednesday Night... A chance of showers. Mostly cloudy, with a low around 43. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
60% chance of rain Thursday Thursday... Showers likely, mainly after 2pm. Mostly cloudy, with a high near 54. West wind 11 to 16 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
60% chance of rain Thursday Night Thursday Night... Showers likely, mainly before 8pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 55.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 37.
20% chance of Saturday Saturday... A chance of sprinkles after 2pm. Mostly sunny, with a high near 57.
20% chance of Saturday Night Saturday Night... A chance of sprinkles before 8pm. Partly cloudy, with a low around 39.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 59.
30% chance of rain Sunday Night Sunday Night... A chance of showers. Partly cloudy, with a low around 41. Chance of precipitation is 30%.
30% chance of rain Monday Monday... A chance of showers or sprinkles. Mostly sunny, with a high near 62. Chance of precipitation is 30%.
Current Radar Image


Sun Almanac for Arlington, Pennsylvania
Sunrise: 07:38 AM
Sunset: 6:31 PM
Civil Sunrise:07:10 AM
Civil Sunset: 6:59 PM
Nautical Sunrise: 06:38 AM
Nautical Sunset: 7:30 PM
Astro Sunrise: 06:07 AM
Astro Sunset: 8:02 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.