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

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

28°F

-2°C

Humidity 72%
Wind Speed SW 15 G 28 mph
Barometer 30.23 in (1025.8 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 12 Jan 5:53 am EST
Extended Forecast for

Clairton PA

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 40. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 40 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Mostly clear, with a low around 29. Southwest wind around 8 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 47. South wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 47 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 39. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday

    Wednesday: Rain. High near 45. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before 10pm, then rain and snow between 10pm and 1am, then snow after 1am. Low around 24. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 24 °F

    Rain/Snow

  • Thursday

    Thursday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.

    High: 30 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.

    Low: 15 °F

    Chance Snow

  • Friday

    Friday: A chance of snow after 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 30%.

    High: 30 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 40. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 29. Southwest wind around 8 mph.
Tuesday
Increasing clouds, with a high near 47. South wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 39. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 45. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain before 10pm, then rain and snow between 10pm and 1am, then snow after 1am. Low around 24. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Friday
A chance of snow after 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 30%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 50%.
Saturday
Snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 70%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.
Sunday
A chance of snow. Partly sunny, with a high near 25. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clairton PA
 40.31°N 79.89°W (Elev. 801 ft)
Last Update:
5:42 am EST Jan 12, 2026
Forecast Valid:
6am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation