Blackburn, Pennsylvania Weather
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Weather Forecast for Blackburn, Pennsylvania : Westmoreland County
Issued: 10:03 pm EDT Sep 4, 2025 Latitude: 40.3895133 Longitude: -79.7472677 View on Google Maps

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Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Patchy Fog on Tonight Mostly Cloudy on Friday 80% chance of thunderstorms on Saturday Mostly Sunny on Sunday Morning Fog on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thursday
Low: 56°F High: 82°F High: 66°F High: 68°F High: 70°F High: 74°F High: 78°F High: 78°F
Low: 57°F Low: 48°F Low: 44°F Low: 44°F Low: 48°F Low: 51°F  
Patchy Fog Mostly Cloudy Thunderstorms Mostly Sunny Morning Fog Sunny Sunny Sunny
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Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
59°
Mostly Cloudy
Fog
as of 10:53 PM EDST
Rel. Humidity: 100%
Dew Point: 59°F
Visibility: Less than 1/4 Miles
Pressure: 29.85 in.
Flight Rule: LIFR
Wind Data
3 MPH
160° South
Current Conditions at
LATROBE - (KLBE)
59°
Mostly Cloudy
Mist
as of 10:55 PM EDST
Rel. Humidity: 100%
Dew Point: 59°F
Visibility: 2 1/2 Miles
Pressure: 29.88 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Broken at 7500ft
Current Conditions at
PITTSBURGH - (KPIT)
57°
Mostly Cloudy
as of 10:51 PM EDST
Rel. Humidity: 100%
Dew Point: 57°F
Visibility: 9 Miles
Pressure: 29.85 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Scattered at 100ft, Broken at 900ft
Current Conditions at
BUTLER COUNTY - (KBTP)
55°
Partly Cloudy
Mist
as of 11:05 PM EDST
Rel. Humidity: 100%
Dew Point: 55°F
Visibility: 3/4 Miles
Pressure: 29.87 in.
Flight Rule: MVFR
Wind Data
3 MPH
150° Southeast
Cloud Level(s): Few at 400ft, Scattered at 3000ft
Patchy Fog on Tonight Tonight... Patchy fog. Otherwise, mostly cloudy, with a low around 56. South wind 3 to 5 mph.
Mostly Cloudy on Friday Friday... Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind 8 to 14 mph.
80% chance of thunderstorms Friday Night Friday Night... Showers and thunderstorms likely, then showers after 2am. Low around 57. Southwest wind 5 to 8 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 and thunderstorms after 2pm. High near 66. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
30% chance of rain Saturday Night Saturday Night... A chance of showers or sprinkles before 8pm, then a chance of sprinkles between 8pm and 2am. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 48. West wind around 5 mph becoming calm in the evening. 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.
Morning Fog on Sunday Night Sunday Night... Patchy fog after 1am. Otherwise, mostly clear, with a low around 44.
Morning Fog on Monday Monday... Patchy fog before 9am. Otherwise, sunny, with a high near 70.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 44.
Sunny on Tuesday Tuesday... Sunny, with a high near 74.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 48.
Sunny on Wednesday Wednesday... Sunny, with a high near 78.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 51.
Sunny on Thursday Thursday... Sunny, with a high near 78.
Current Radar Image


Sun Almanac for Blackburn, Pennsylvania
Sunrise: 06:50 AM
Sunset: 7:46 PM
Civil Sunrise:06:22 AM
Civil Sunset: 8:14 PM
Nautical Sunrise: 05:49 AM
Nautical Sunset: 8:47 PM
Astro Sunrise: 05:15 AM
Astro Sunset: 9:21 PM
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