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Brookline, Pennsylvania Weather Forecast
Brookline, Pennsylvania Weather
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Weather Forecast for Brookline, Pennsylvania : Allegheny County
Issued: 2:23 pm EST Jan 8, 2026 Latitude: 40.3920138 Longitude: -80.017831 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Cloudy on This Afternoon 20% chance of rain on Tonight 80% chance of rain on Friday 90% chance of rain on Saturday 70% chance of snow on Sunday Partly Sunny on Monday Mostly Sunny on Tuesday 60% chance of rain on Wednesday
High: 54°F Low: 45°F High: 61°F High: 52°F High: 35°F High: 36°F High: 43°F High: 40°F
Low: 40°F Low: 32°F Low: 25°F Low: 29°F Low: 33°F  
Mostly Cloudy Rain Rain Rain Snow Partly Sunny Mostly Sunny Rain
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
54°
Clear
as of 3:53 PM EST
Rel. Humidity: 46%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
5 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
PITTSBURGH - (KPIT)
54°
Mostly Cloudy
as of 3:51 PM EST
Rel. Humidity: 46%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
6 MPH
140° Southeast
Cloud Level(s): Scattered at 14000ft, Broken at 25000ft
Current Conditions at
WASHINGTON - (KAFJ)
55°
Clear
as of 3:56 PM EST
Rel. Humidity: 50%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
3 MPH
110° East
Cloud Level(s): Clear
Current Conditions at
BUTLER COUNTY - (KBTP)
Mostly Cloudy
as of 3:56 PM EST
Wind Data
Calm
Mostly Cloudy on This Afternoon This Afternoon... Mostly cloudy, with a high near 54. Southeast wind around 6 mph.
20% chance of rain Tonight Tonight... A slight chance of rain after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 45. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
80% chance of rain Friday Friday... Rain. High near 61. South wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
30% chance of rain Friday Night Friday Night... A chance of rain, mainly before 1am. Mostly cloudy, with a low around 40. West wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
90% chance of rain Saturday Saturday... Rain. High near 52. East wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
60% chance of rain & snow Saturday Night Saturday Night... Rain showers likely before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of snow showers after 4am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
70% chance of snow Sunday Sunday... Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 35. Breezy. Chance of precipitation is 70%.
30% chance of snow Sunday Night Sunday Night... A chance of snow showers before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Partly Sunny on Monday Monday... Partly sunny, with a high near 36.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 29.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 43.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 33.
60% chance of rain Wednesday Wednesday... Showers likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Current Radar Image


Sun Almanac for Brookline, Pennsylvania
Sunrise: 07:43 AM
Sunset: 5:11 PM
Civil Sunrise:07:13 AM
Civil Sunset: 5:41 PM
Nautical Sunrise: 06:39 AM
Nautical Sunset: 6:15 PM
Astro Sunrise: 06:06 AM
Astro Sunset: 6:48 PM
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