Brookline, Pennsylvania Weather
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Weather Forecast for Brookline, Pennsylvania : Allegheny County
Issued: 7:03 pm EDT Sep 4, 2025 Latitude: 40.3920138 Longitude: -80.017831 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Cloudy on Tonight Mostly Cloudy on Friday 80% chance of thunderstorms on Saturday Mostly Sunny on Sunday Sunny on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday
Low: 57°F High: 82°F High: 65°F High: 68°F High: 70°F High: 74°F High: 78°F High: 78°F
Low: 58°F Low: 50°F Low: 46°F Low: 47°F Low: 50°F Low: 53°F  
Mostly Cloudy Mostly Cloudy Thunderstorms Mostly Sunny Sunny Sunny Sunny Sunny
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
61°
Mostly Clear
Mist
as of 8:53 PM EDST
Rel. Humidity: 93%
Dew Point: 59°F
Visibility: 5 Miles
Pressure: 29.82 in.
Flight Rule: MVFR
Wind Data
3 MPH
190° South
Cloud Level(s): Few at 7500ft
Current Conditions at
PITTSBURGH - (KPIT)
61°
Partly Cloudy
as of 8:51 PM EDST
Rel. Humidity: 87%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 100ft, Few at 2500ft, Scattered at 6000ft
Current Conditions at
WASHINGTON - (KAFJ)
57°
Cloudy
Mist
as of 9:19 PM EDST
Rel. Humidity: 100%
Dew Point: 57°F
Visibility: 3/4 Miles
Pressure: 29.87 in.
Flight Rule: MVFR
Wind Data
Calm
Current Conditions at
BUTLER COUNTY - (KBTP)
55°
Mostly Cloudy
Fog
as of 8:56 PM EDST
Rel. Humidity: 10%
Visibility: 1/4 Miles
Pressure: 29.83 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Broken at 200ft
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 57. Light south wind.
Mostly Cloudy on Friday Friday... Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind 8 to 15 mph, with gusts as high as 25 mph.
80% chance of thunderstorms Friday Night Friday Night... Showers and thunderstorms likely before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 58. Southwest wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
80% chance of thunderstorms Saturday Saturday... Showers before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers after 2pm. High near 65. West wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
30% chance of rain Saturday Night Saturday Night... A chance of showers before 8pm. Partly cloudy, with a low around 50. West wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 68.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 46.
Sunny on Monday Monday... Sunny, with a high near 70.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 47.
Sunny on Tuesday Tuesday... Sunny, with a high near 74.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 50.
Sunny on Wednesday Wednesday... Sunny, with a high near 78.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 53.
Sunny on Thursday Thursday... Sunny, with a high near 78.
Current Radar Image


Sun Almanac for Brookline, Pennsylvania
Sunrise: 06:51 AM
Sunset: 7:47 PM
Civil Sunrise:06:23 AM
Civil Sunset: 8:15 PM
Nautical Sunrise: 05:50 AM
Nautical Sunset: 8:48 PM
Astro Sunrise: 05:16 AM
Astro Sunset: 9:22 PM
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