National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fair

69°F

21°C

Humidity 66%
Wind Speed Calm
Barometer 30.08 in (1018.4 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 18 Sep 9:53 am EDT
Extended Forecast for

Clairton PA

  • Today

    Today: Sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. Calm wind.

    Low: 55 °F

    Clear

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 86. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. North wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86. East wind around 6 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Clear, with a low around 55. Calm wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 86. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 58. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 86. East wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 85.
Monday Night
A chance of showers after 2am. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clairton PA
 40.29°N 79.89°W (Elev. 866 ft)
Last Update:
10:02 am EDT Sep 18, 2025
Forecast Valid:
10am EDT Sep 18, 2025-6pm EDT Sep 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation